Home / 1,177,691.81-1,625,085.59-661,341.11

Finding the Fourth Proportional to 1,177,691.81, 1,625,085.59 and 661,341.11

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Solution

The fourth proportional to 1,177,691.81, 1,625,085.59 and 661,341.11 is: 912,578.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,691.81 : 1,625,085.59 = 661,341.11 : x
  2. Step 2: Convert to fraction form
    1,177,691.81/1,625,085.59 = 661,341.11/x
  3. Step 3: Cross multiply
    1,177,691.81x = 1,625,085.59 × 661,341.11
  4. Step 4: Simplify right side
    1,177,691.81x = 1,074,735,896,503.47
  5. Step 5: Solve for x
    x = 1,074,735,896,503.47/1,177,691.81
  6. Step 6: Final answer
    x = 912,578.22

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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.