Home / 1,193,058.91-1,645,876.83-709,348.78

Finding the Fourth Proportional to 1,193,058.91, 1,645,876.83 and 709,348.78

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Solution

The fourth proportional to 1,193,058.91, 1,645,876.83 and 709,348.78 is: 978,577.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193,058.91 : 1,645,876.83 = 709,348.78 : x
  2. Step 2: Convert to fraction form
    1,193,058.91/1,645,876.83 = 709,348.78/x
  3. Step 3: Cross multiply
    1,193,058.91x = 1,645,876.83 × 709,348.78
  4. Step 4: Simplify right side
    1,193,058.91x = 1,167,500,721,390.77
  5. Step 5: Solve for x
    x = 1,167,500,721,390.77/1,193,058.91
  6. Step 6: Final answer
    x = 978,577.60

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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.