Home / 1,108,876.80-1,662,926.40-576,220.80

Finding the Fourth Proportional to 1,108,876.80, 1,662,926.40 and 576,220.80

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Solution

The fourth proportional to 1,108,876.80, 1,662,926.40 and 576,220.80 is: 864,129.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,876.80 : 1,662,926.40 = 576,220.80 : x
  2. Step 2: Convert to fraction form
    1,108,876.80/1,662,926.40 = 576,220.80/x
  3. Step 3: Cross multiply
    1,108,876.80x = 1,662,926.40 × 576,220.80
  4. Step 4: Simplify right side
    1,108,876.80x = 958,212,780,549.12
  5. Step 5: Solve for x
    x = 958,212,780,549.12/1,108,876.80
  6. Step 6: Final answer
    x = 864,129.16

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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.