Home / 1,421,781.84-2,132,672.76-475,152.57

Finding the Fourth Proportional to 1,421,781.84, 2,132,672.76 and 475,152.57

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Solution

The fourth proportional to 1,421,781.84, 2,132,672.76 and 475,152.57 is: 712,728.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,781.84 : 2,132,672.76 = 475,152.57 : x
  2. Step 2: Convert to fraction form
    1,421,781.84/2,132,672.76 = 475,152.57/x
  3. Step 3: Cross multiply
    1,421,781.84x = 2,132,672.76 × 475,152.57
  4. Step 4: Simplify right side
    1,421,781.84x = 1,013,344,942,882.99
  5. Step 5: Solve for x
    x = 1,013,344,942,882.99/1,421,781.84
  6. Step 6: Final answer
    x = 712,728.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.