Home / 1,167,612.40-1,752,001.80-662,561.20

Finding the Fourth Proportional to 1,167,612.40, 1,752,001.80 and 662,561.20

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Solution

The fourth proportional to 1,167,612.40, 1,752,001.80 and 662,561.20 is: 994,172.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,612.40 : 1,752,001.80 = 662,561.20 : x
  2. Step 2: Convert to fraction form
    1,167,612.40/1,752,001.80 = 662,561.20/x
  3. Step 3: Cross multiply
    1,167,612.40x = 1,752,001.80 × 662,561.20
  4. Step 4: Simplify right side
    1,167,612.40x = 1,160,808,415,010.16
  5. Step 5: Solve for x
    x = 1,160,808,415,010.16/1,167,612.40
  6. Step 6: Final answer
    x = 994,172.74

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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.