Home / 653,849.98-902,388.57-381,985.83

Finding the Fourth Proportional to 653,849.98, 902,388.57 and 381,985.83

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Solution

The fourth proportional to 653,849.98, 902,388.57 and 381,985.83 is: 527,184.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,849.98 : 902,388.57 = 381,985.83 : x
  2. Step 2: Convert to fraction form
    653,849.98/902,388.57 = 381,985.83/x
  3. Step 3: Cross multiply
    653,849.98x = 902,388.57 × 381,985.83
  4. Step 4: Simplify right side
    653,849.98x = 344,699,645,461.52
  5. Step 5: Solve for x
    x = 344,699,645,461.52/653,849.98
  6. Step 6: Final answer
    x = 527,184.61

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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.