Home / 744,282.40-1,116,423.60-705,791.20

Finding the Fourth Proportional to 744,282.40, 1,116,423.60 and 705,791.20

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Solution

The fourth proportional to 744,282.40, 1,116,423.60 and 705,791.20 is: 1,058,686.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,282.40 : 1,116,423.60 = 705,791.20 : x
  2. Step 2: Convert to fraction form
    744,282.40/1,116,423.60 = 705,791.20/x
  3. Step 3: Cross multiply
    744,282.40x = 1,116,423.60 × 705,791.20
  4. Step 4: Simplify right side
    744,282.40x = 787,961,952,352.32
  5. Step 5: Solve for x
    x = 787,961,952,352.32/744,282.40
  6. Step 6: Final answer
    x = 1,058,686.80

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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.