Home / 1,294,498.26-1,786,409.55-721,526.13

Finding the Fourth Proportional to 1,294,498.26, 1,786,409.55 and 721,526.13

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Solution

The fourth proportional to 1,294,498.26, 1,786,409.55 and 721,526.13 is: 995,707.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,498.26 : 1,786,409.55 = 721,526.13 : x
  2. Step 2: Convert to fraction form
    1,294,498.26/1,786,409.55 = 721,526.13/x
  3. Step 3: Cross multiply
    1,294,498.26x = 1,786,409.55 × 721,526.13
  4. Step 4: Simplify right side
    1,294,498.26x = 1,288,941,169,206.54
  5. Step 5: Solve for x
    x = 1,288,941,169,206.54/1,294,498.26
  6. Step 6: Final answer
    x = 995,707.15

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