Home / 1,127,357.38-1,555,851.10-618,158.17

Finding the Fourth Proportional to 1,127,357.38, 1,555,851.10 and 618,158.17

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Solution

The fourth proportional to 1,127,357.38, 1,555,851.10 and 618,158.17 is: 853,111.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,357.38 : 1,555,851.10 = 618,158.17 : x
  2. Step 2: Convert to fraction form
    1,127,357.38/1,555,851.10 = 618,158.17/x
  3. Step 3: Cross multiply
    1,127,357.38x = 1,555,851.10 × 618,158.17
  4. Step 4: Simplify right side
    1,127,357.38x = 961,762,068,768.49
  5. Step 5: Solve for x
    x = 961,762,068,768.49/1,127,357.38
  6. Step 6: Final answer
    x = 853,111.96

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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.