Home / 486,631.11-666,673.50-468,437.13

Finding the Fourth Proportional to 486,631.11, 666,673.50 and 468,437.13

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Solution

The fourth proportional to 486,631.11, 666,673.50 and 468,437.13 is: 641,748.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,631.11 : 666,673.50 = 468,437.13 : x
  2. Step 2: Convert to fraction form
    486,631.11/666,673.50 = 468,437.13/x
  3. Step 3: Cross multiply
    486,631.11x = 666,673.50 × 468,437.13
  4. Step 4: Simplify right side
    486,631.11x = 312,294,620,108.74
  5. Step 5: Solve for x
    x = 312,294,620,108.74/486,631.11
  6. Step 6: Final answer
    x = 641,748.16

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.