Home / 855,929.10-1,181,167.68-473,947.68

Finding the Fourth Proportional to 855,929.10, 1,181,167.68 and 473,947.68

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Solution

The fourth proportional to 855,929.10, 1,181,167.68 and 473,947.68 is: 654,039.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,929.10 : 1,181,167.68 = 473,947.68 : x
  2. Step 2: Convert to fraction form
    855,929.10/1,181,167.68 = 473,947.68/x
  3. Step 3: Cross multiply
    855,929.10x = 1,181,167.68 × 473,947.68
  4. Step 4: Simplify right side
    855,929.10x = 559,811,681,626.98
  5. Step 5: Solve for x
    x = 559,811,681,626.98/855,929.10
  6. Step 6: Final answer
    x = 654,039.78

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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.