Home / 689,526.03-951,553.17-379,432.74

Finding the Fourth Proportional to 689,526.03, 951,553.17 and 379,432.74

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Solution

The fourth proportional to 689,526.03, 951,553.17 and 379,432.74 is: 523,621.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,526.03 : 951,553.17 = 379,432.74 : x
  2. Step 2: Convert to fraction form
    689,526.03/951,553.17 = 379,432.74/x
  3. Step 3: Cross multiply
    689,526.03x = 951,553.17 × 379,432.74
  4. Step 4: Simplify right side
    689,526.03x = 361,050,426,548.79
  5. Step 5: Solve for x
    x = 361,050,426,548.79/689,526.03
  6. Step 6: Final answer
    x = 523,621.17

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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.