Home / 1,058,672.07-1,587,115.40-459,181.76

Finding the Fourth Proportional to 1,058,672.07, 1,587,115.40 and 459,181.76

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Solution

The fourth proportional to 1,058,672.07, 1,587,115.40 and 459,181.76 is: 688,385.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,672.07 : 1,587,115.40 = 459,181.76 : x
  2. Step 2: Convert to fraction form
    1,058,672.07/1,587,115.40 = 459,181.76/x
  3. Step 3: Cross multiply
    1,058,672.07x = 1,587,115.40 × 459,181.76
  4. Step 4: Simplify right side
    1,058,672.07x = 728,774,432,463.62
  5. Step 5: Solve for x
    x = 728,774,432,463.62/1,058,672.07
  6. Step 6: Final answer
    x = 688,385.43

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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.