Home / 486,631.51-666,674.03-468,437.52

Finding the Fourth Proportional to 486,631.51, 666,674.03 and 468,437.52

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Solution

The fourth proportional to 486,631.51, 666,674.03 and 468,437.52 is: 641,748.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,631.51 : 666,674.03 = 468,437.52 : x
  2. Step 2: Convert to fraction form
    486,631.51/666,674.03 = 468,437.52/x
  3. Step 3: Cross multiply
    486,631.51x = 666,674.03 × 468,437.52
  4. Step 4: Simplify right side
    486,631.51x = 312,295,129,261.61
  5. Step 5: Solve for x
    x = 312,295,129,261.61/486,631.51
  6. Step 6: Final answer
    x = 641,748.69

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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.