Home / 782,030.25-1,079,201.75-424,334.25

Finding the Fourth Proportional to 782,030.25, 1,079,201.75 and 424,334.25

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Solution

The fourth proportional to 782,030.25, 1,079,201.75 and 424,334.25 is: 585,581.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,030.25 : 1,079,201.75 = 424,334.25 : x
  2. Step 2: Convert to fraction form
    782,030.25/1,079,201.75 = 424,334.25/x
  3. Step 3: Cross multiply
    782,030.25x = 1,079,201.75 × 424,334.25
  4. Step 4: Simplify right side
    782,030.25x = 457,942,263,063.27
  5. Step 5: Solve for x
    x = 457,942,263,063.27/782,030.25
  6. Step 6: Final answer
    x = 585,581.27

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Half scale
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Double scale
Find fourth proportional to 782,031.25, 1,079,203.13 and 424,335.25
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.