Home / 563,549.13-777,815.33-518,155.38

Finding the Fourth Proportional to 563,549.13, 777,815.33 and 518,155.38

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Solution

The fourth proportional to 563,549.13, 777,815.33 and 518,155.38 is: 715,162.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,549.13 : 777,815.33 = 518,155.38 : x
  2. Step 2: Convert to fraction form
    563,549.13/777,815.33 = 518,155.38/x
  3. Step 3: Cross multiply
    563,549.13x = 777,815.33 × 518,155.38
  4. Step 4: Simplify right side
    563,549.13x = 403,029,195,295.20
  5. Step 5: Solve for x
    x = 403,029,195,295.20/563,549.13
  6. Step 6: Final answer
    x = 715,162.48

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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.