Home / 487,743.62-673,316.32-366,931.02

Finding the Fourth Proportional to 487,743.62, 673,316.32 and 366,931.02

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Solution

The fourth proportional to 487,743.62, 673,316.32 and 366,931.02 is: 506,537.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,743.62 : 673,316.32 = 366,931.02 : x
  2. Step 2: Convert to fraction form
    487,743.62/673,316.32 = 366,931.02/x
  3. Step 3: Cross multiply
    487,743.62x = 673,316.32 × 366,931.02
  4. Step 4: Simplify right side
    487,743.62x = 247,060,644,080.25
  5. Step 5: Solve for x
    x = 247,060,644,080.25/487,743.62
  6. Step 6: Final answer
    x = 506,537.93

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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.