Home / 499,217.68-688,824.84-284,353.04

Finding the Fourth Proportional to 499,217.68, 688,824.84 and 284,353.04

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Solution

The fourth proportional to 499,217.68, 688,824.84 and 284,353.04 is: 392,352.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,217.68 : 688,824.84 = 284,353.04 : x
  2. Step 2: Convert to fraction form
    499,217.68/688,824.84 = 284,353.04/x
  3. Step 3: Cross multiply
    499,217.68x = 688,824.84 × 284,353.04
  4. Step 4: Simplify right side
    499,217.68x = 195,869,437,281.51
  5. Step 5: Solve for x
    x = 195,869,437,281.51/499,217.68
  6. Step 6: Final answer
    x = 392,352.77

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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.