Home / 898,746.28-1,238,160.18-626,318.92

Finding the Fourth Proportional to 898,746.28, 1,238,160.18 and 626,318.92

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Solution

The fourth proportional to 898,746.28, 1,238,160.18 and 626,318.92 is: 862,849.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,746.28 : 1,238,160.18 = 626,318.92 : x
  2. Step 2: Convert to fraction form
    898,746.28/1,238,160.18 = 626,318.92/x
  3. Step 3: Cross multiply
    898,746.28x = 1,238,160.18 × 626,318.92
  4. Step 4: Simplify right side
    898,746.28x = 775,483,146,724.61
  5. Step 5: Solve for x
    x = 775,483,146,724.61/898,746.28
  6. Step 6: Final answer
    x = 862,849.91

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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.