Home / 1,377,592.56-1,901,112.85-757,390.14

Finding the Fourth Proportional to 1,377,592.56, 1,901,112.85 and 757,390.14

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Solution

The fourth proportional to 1,377,592.56, 1,901,112.85 and 757,390.14 is: 1,045,217.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,592.56 : 1,901,112.85 = 757,390.14 : x
  2. Step 2: Convert to fraction form
    1,377,592.56/1,901,112.85 = 757,390.14/x
  3. Step 3: Cross multiply
    1,377,592.56x = 1,901,112.85 × 757,390.14
  4. Step 4: Simplify right side
    1,377,592.56x = 1,439,884,127,617.30
  5. Step 5: Solve for x
    x = 1,439,884,127,617.30/1,377,592.56
  6. Step 6: Final answer
    x = 1,045,217.70

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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.