Home / 1,237,280.04-1,707,554.52-721,006.92

Finding the Fourth Proportional to 1,237,280.04, 1,707,554.52 and 721,006.92

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Solution

The fourth proportional to 1,237,280.04, 1,707,554.52 and 721,006.92 is: 995,052.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,280.04 : 1,707,554.52 = 721,006.92 : x
  2. Step 2: Convert to fraction form
    1,237,280.04/1,707,554.52 = 721,006.92/x
  3. Step 3: Cross multiply
    1,237,280.04x = 1,707,554.52 × 721,006.92
  4. Step 4: Simplify right side
    1,237,280.04x = 1,231,158,625,197.28
  5. Step 5: Solve for x
    x = 1,231,158,625,197.28/1,237,280.04
  6. Step 6: Final answer
    x = 995,052.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.