Home / 487,207.46-672,482.13-334,270.55

Finding the Fourth Proportional to 487,207.46, 672,482.13 and 334,270.55

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Solution

The fourth proportional to 487,207.46, 672,482.13 and 334,270.55 is: 461,386.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,207.46 : 672,482.13 = 334,270.55 : x
  2. Step 2: Convert to fraction form
    487,207.46/672,482.13 = 334,270.55/x
  3. Step 3: Cross multiply
    487,207.46x = 672,482.13 × 334,270.55
  4. Step 4: Simplify right side
    487,207.46x = 224,790,971,460.27
  5. Step 5: Solve for x
    x = 224,790,971,460.27/487,207.46
  6. Step 6: Final answer
    x = 461,386.55

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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.