Home / 1,127,356.38-1,555,849.72-618,157.17

Finding the Fourth Proportional to 1,127,356.38, 1,555,849.72 and 618,157.17

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Solution

The fourth proportional to 1,127,356.38, 1,555,849.72 and 618,157.17 is: 853,110.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,356.38 : 1,555,849.72 = 618,157.17 : x
  2. Step 2: Convert to fraction form
    1,127,356.38/1,555,849.72 = 618,157.17/x
  3. Step 3: Cross multiply
    1,127,356.38x = 1,555,849.72 × 618,157.17
  4. Step 4: Simplify right side
    1,127,356.38x = 961,759,660,633.19
  5. Step 5: Solve for x
    x = 961,759,660,633.19/1,127,356.38
  6. Step 6: Final answer
    x = 853,110.58

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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.