Home / 649,749.65-896,294.57-377,787.47

Finding the Fourth Proportional to 649,749.65, 896,294.57 and 377,787.47

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Solution

The fourth proportional to 649,749.65, 896,294.57 and 377,787.47 is: 521,137.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,749.65 : 896,294.57 = 377,787.47 : x
  2. Step 2: Convert to fraction form
    649,749.65/896,294.57 = 377,787.47/x
  3. Step 3: Cross multiply
    649,749.65x = 896,294.57 × 377,787.47
  4. Step 4: Simplify right side
    649,749.65x = 338,608,854,125.46
  5. Step 5: Solve for x
    x = 338,608,854,125.46/649,749.65
  6. Step 6: Final answer
    x = 521,137.42

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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.