Home / 437,386.55-656,279.73-197,564.57

Finding the Fourth Proportional to 437,386.55, 656,279.73 and 197,564.57

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Solution

The fourth proportional to 437,386.55, 656,279.73 and 197,564.57 is: 296,437.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,386.55 : 656,279.73 = 197,564.57 : x
  2. Step 2: Convert to fraction form
    437,386.55/656,279.73 = 197,564.57/x
  3. Step 3: Cross multiply
    437,386.55x = 656,279.73 × 197,564.57
  4. Step 4: Simplify right side
    437,386.55x = 129,657,622,657.17
  5. Step 5: Solve for x
    x = 129,657,622,657.17/437,386.55
  6. Step 6: Final answer
    x = 296,437.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.