Home / 738,755.64-1,019,395.94-416,446.52

Finding the Fourth Proportional to 738,755.64, 1,019,395.94 and 416,446.52

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Solution

The fourth proportional to 738,755.64, 1,019,395.94 and 416,446.52 is: 574,647.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,755.64 : 1,019,395.94 = 416,446.52 : x
  2. Step 2: Convert to fraction form
    738,755.64/1,019,395.94 = 416,446.52/x
  3. Step 3: Cross multiply
    738,755.64x = 1,019,395.94 × 416,446.52
  4. Step 4: Simplify right side
    738,755.64x = 424,523,884,535.92
  5. Step 5: Solve for x
    x = 424,523,884,535.92/738,755.64
  6. Step 6: Final answer
    x = 574,647.23

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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.