Home / 992,493.60-1,488,740.40-724,999.20

Finding the Fourth Proportional to 992,493.60, 1,488,740.40 and 724,999.20

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Solution

The fourth proportional to 992,493.60, 1,488,740.40 and 724,999.20 is: 1,087,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,493.60 : 1,488,740.40 = 724,999.20 : x
  2. Step 2: Convert to fraction form
    992,493.60/1,488,740.40 = 724,999.20/x
  3. Step 3: Cross multiply
    992,493.60x = 1,488,740.40 × 724,999.20
  4. Step 4: Simplify right side
    992,493.60x = 1,079,335,599,007.68
  5. Step 5: Solve for x
    x = 1,079,335,599,007.68/992,493.60
  6. Step 6: Final answer
    x = 1,087,498.80

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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.