Home / 1,715,841.76-2,573,780.87-517,774.61

Finding the Fourth Proportional to 1,715,841.76, 2,573,780.87 and 517,774.61

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Solution

The fourth proportional to 1,715,841.76, 2,573,780.87 and 517,774.61 is: 776,667.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715,841.76 : 2,573,780.87 = 517,774.61 : x
  2. Step 2: Convert to fraction form
    1,715,841.76/2,573,780.87 = 517,774.61/x
  3. Step 3: Cross multiply
    1,715,841.76x = 2,573,780.87 × 517,774.61
  4. Step 4: Simplify right side
    1,715,841.76x = 1,332,638,386,189.71
  5. Step 5: Solve for x
    x = 1,332,638,386,189.71/1,715,841.76
  6. Step 6: Final answer
    x = 776,667.42

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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.