Home / 714,414.38-985,856.13-424,038.56

Finding the Fourth Proportional to 714,414.38, 985,856.13 and 424,038.56

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Solution

The fourth proportional to 714,414.38, 985,856.13 and 424,038.56 is: 585,152.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,414.38 : 985,856.13 = 424,038.56 : x
  2. Step 2: Convert to fraction form
    714,414.38/985,856.13 = 424,038.56/x
  3. Step 3: Cross multiply
    714,414.38x = 985,856.13 × 424,038.56
  4. Step 4: Simplify right side
    714,414.38x = 418,041,008,803.09
  5. Step 5: Solve for x
    x = 418,041,008,803.09/714,414.38
  6. Step 6: Final answer
    x = 585,152.01

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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.