Home / 1,058,006.80-1,587,010.20-1,005,518.80

Finding the Fourth Proportional to 1,058,006.80, 1,587,010.20 and 1,005,518.80

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Solution

The fourth proportional to 1,058,006.80, 1,587,010.20 and 1,005,518.80 is: 1,508,278.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,006.80 : 1,587,010.20 = 1,005,518.80 : x
  2. Step 2: Convert to fraction form
    1,058,006.80/1,587,010.20 = 1,005,518.80/x
  3. Step 3: Cross multiply
    1,058,006.80x = 1,587,010.20 × 1,005,518.80
  4. Step 4: Simplify right side
    1,058,006.80x = 1,595,768,591,891.76
  5. Step 5: Solve for x
    x = 1,595,768,591,891.76/1,058,006.80
  6. Step 6: Final answer
    x = 1,508,278.20

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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.