Home / 788,726.27-1,087,167.12-616,344.68

Finding the Fourth Proportional to 788,726.27, 1,087,167.12 and 616,344.68

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Solution

The fourth proportional to 788,726.27, 1,087,167.12 and 616,344.68 is: 849,559.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,726.27 : 1,087,167.12 = 616,344.68 : x
  2. Step 2: Convert to fraction form
    788,726.27/1,087,167.12 = 616,344.68/x
  3. Step 3: Cross multiply
    788,726.27x = 1,087,167.12 × 616,344.68
  4. Step 4: Simplify right side
    788,726.27x = 670,069,670,682.92
  5. Step 5: Solve for x
    x = 670,069,670,682.92/788,726.27
  6. Step 6: Final answer
    x = 849,559.21

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Double scale
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1.5x scale

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.