Home / 649,769.58-896,666.32-359,373.58

Finding the Fourth Proportional to 649,769.58, 896,666.32 and 359,373.58

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Solution

The fourth proportional to 649,769.58, 896,666.32 and 359,373.58 is: 495,926.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,769.58 : 896,666.32 = 359,373.58 : x
  2. Step 2: Convert to fraction form
    649,769.58/896,666.32 = 359,373.58/x
  3. Step 3: Cross multiply
    649,769.58x = 896,666.32 × 359,373.58
  4. Step 4: Simplify right side
    649,769.58x = 322,238,183,691.38
  5. Step 5: Solve for x
    x = 322,238,183,691.38/649,769.58
  6. Step 6: Final answer
    x = 495,926.85

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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.