Home / 563,724.74-777,976.17-372,402.74

Finding the Fourth Proportional to 563,724.74, 777,976.17 and 372,402.74

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Solution

The fourth proportional to 563,724.74, 777,976.17 and 372,402.74 is: 513,939.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,724.74 : 777,976.17 = 372,402.74 : x
  2. Step 2: Convert to fraction form
    563,724.74/777,976.17 = 372,402.74/x
  3. Step 3: Cross multiply
    563,724.74x = 777,976.17 × 372,402.74
  4. Step 4: Simplify right side
    563,724.74x = 289,720,457,362.71
  5. Step 5: Solve for x
    x = 289,720,457,362.71/563,724.74
  6. Step 6: Final answer
    x = 513,939.58

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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.