Home / 437,386.56-656,279.74-197,564.58

Finding the Fourth Proportional to 437,386.56, 656,279.74 and 197,564.58

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Solution

The fourth proportional to 437,386.56, 656,279.74 and 197,564.58 is: 296,437.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,386.56 : 656,279.74 = 197,564.58 : x
  2. Step 2: Convert to fraction form
    437,386.56/656,279.74 = 197,564.58/x
  3. Step 3: Cross multiply
    437,386.56x = 656,279.74 × 197,564.58
  4. Step 4: Simplify right side
    437,386.56x = 129,657,631,195.61
  5. Step 5: Solve for x
    x = 129,657,631,195.61/437,386.56
  6. Step 6: Final answer
    x = 296,437.16

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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.