Home / 1,127,356.38-1,555,751.43-618,047.82

Finding the Fourth Proportional to 1,127,356.38, 1,555,751.43 and 618,047.82

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Solution

The fourth proportional to 1,127,356.38, 1,555,751.43 and 618,047.82 is: 852,905.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,356.38 : 1,555,751.43 = 618,047.82 : x
  2. Step 2: Convert to fraction form
    1,127,356.38/1,555,751.43 = 618,047.82/x
  3. Step 3: Cross multiply
    1,127,356.38x = 1,555,751.43 × 618,047.82
  4. Step 4: Simplify right side
    1,127,356.38x = 961,528,779,773.38
  5. Step 5: Solve for x
    x = 961,528,779,773.38/1,127,356.38
  6. Step 6: Final answer
    x = 852,905.79

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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.