Home / 762,395.92-1,052,107.04-422,864.16

Finding the Fourth Proportional to 762,395.92, 1,052,107.04 and 422,864.16

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Solution

The fourth proportional to 762,395.92, 1,052,107.04 and 422,864.16 is: 583,552.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,395.92 : 1,052,107.04 = 422,864.16 : x
  2. Step 2: Convert to fraction form
    762,395.92/1,052,107.04 = 422,864.16/x
  3. Step 3: Cross multiply
    762,395.92x = 1,052,107.04 × 422,864.16
  4. Step 4: Simplify right side
    762,395.92x = 444,898,359,699.69
  5. Step 5: Solve for x
    x = 444,898,359,699.69/762,395.92
  6. Step 6: Final answer
    x = 583,552.91

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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.