Home / 746,555.85-1,030,202.69-424,221.21

Finding the Fourth Proportional to 746,555.85, 1,030,202.69 and 424,221.21

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Solution

The fourth proportional to 746,555.85, 1,030,202.69 and 424,221.21 is: 585,400.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,555.85 : 1,030,202.69 = 424,221.21 : x
  2. Step 2: Convert to fraction form
    746,555.85/1,030,202.69 = 424,221.21/x
  3. Step 3: Cross multiply
    746,555.85x = 1,030,202.69 × 424,221.21
  4. Step 4: Simplify right side
    746,555.85x = 437,033,829,575.95
  5. Step 5: Solve for x
    x = 437,033,829,575.95/746,555.85
  6. Step 6: Final answer
    x = 585,400.05

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.