Home / 842,597.40-1,263,896.10-606,401.40

Finding the Fourth Proportional to 842,597.40, 1,263,896.10 and 606,401.40

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Solution

The fourth proportional to 842,597.40, 1,263,896.10 and 606,401.40 is: 909,602.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,597.40 : 1,263,896.10 = 606,401.40 : x
  2. Step 2: Convert to fraction form
    842,597.40/1,263,896.10 = 606,401.40/x
  3. Step 3: Cross multiply
    842,597.40x = 1,263,896.10 × 606,401.40
  4. Step 4: Simplify right side
    842,597.40x = 766,428,364,494.54
  5. Step 5: Solve for x
    x = 766,428,364,494.54/842,597.40
  6. Step 6: Final answer
    x = 909,602.10

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.