Home / 859,099.05-1,185,685.97-618,179.13

Finding the Fourth Proportional to 859,099.05, 1,185,685.97 and 618,179.13

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Solution

The fourth proportional to 859,099.05, 1,185,685.97 and 618,179.13 is: 853,180.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,099.05 : 1,185,685.97 = 618,179.13 : x
  2. Step 2: Convert to fraction form
    859,099.05/1,185,685.97 = 618,179.13/x
  3. Step 3: Cross multiply
    859,099.05x = 1,185,685.97 × 618,179.13
  4. Step 4: Simplify right side
    859,099.05x = 732,966,318,296.91
  5. Step 5: Solve for x
    x = 732,966,318,296.91/859,099.05
  6. Step 6: Final answer
    x = 853,180.22

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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.