Home / 1,164,279.12-1,744,480.87-405,702.45

Finding the Fourth Proportional to 1,164,279.12, 1,744,480.87 and 405,702.45

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Solution

The fourth proportional to 1,164,279.12, 1,744,480.87 and 405,702.45 is: 607,878.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164,279.12 : 1,744,480.87 = 405,702.45 : x
  2. Step 2: Convert to fraction form
    1,164,279.12/1,744,480.87 = 405,702.45/x
  3. Step 3: Cross multiply
    1,164,279.12x = 1,744,480.87 × 405,702.45
  4. Step 4: Simplify right side
    1,164,279.12x = 707,740,162,937.13
  5. Step 5: Solve for x
    x = 707,740,162,937.13/1,164,279.12
  6. Step 6: Final answer
    x = 607,878.43

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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.