Home / 1,058,624.74-1,587,044.48-459,134.38

Finding the Fourth Proportional to 1,058,624.74, 1,587,044.48 and 459,134.38

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Solution

The fourth proportional to 1,058,624.74, 1,587,044.48 and 459,134.38 is: 688,314.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,624.74 : 1,587,044.48 = 459,134.38 : x
  2. Step 2: Convert to fraction form
    1,058,624.74/1,587,044.48 = 459,134.38/x
  3. Step 3: Cross multiply
    1,058,624.74x = 1,587,044.48 × 459,134.38
  4. Step 4: Simplify right side
    1,058,624.74x = 728,666,675,422
  5. Step 5: Solve for x
    x = 728,666,675,422/1,058,624.74
  6. Step 6: Final answer
    x = 688,314.42

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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.