Home / 499,237.84-688,867.77-284,382.10

Finding the Fourth Proportional to 499,237.84, 688,867.77 and 284,382.10

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Solution

The fourth proportional to 499,237.84, 688,867.77 and 284,382.10 is: 392,401.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,237.84 : 688,867.77 = 284,382.10 : x
  2. Step 2: Convert to fraction form
    499,237.84/688,867.77 = 284,382.10/x
  3. Step 3: Cross multiply
    499,237.84x = 688,867.77 × 284,382.10
  4. Step 4: Simplify right side
    499,237.84x = 195,901,663,054.92
  5. Step 5: Solve for x
    x = 195,901,663,054.92/499,237.84
  6. Step 6: Final answer
    x = 392,401.47

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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.