Home / 487,736.98-731,423.64-167,799.40

Finding the Fourth Proportional to 487,736.98, 731,423.64 and 167,799.40

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Solution

The fourth proportional to 487,736.98, 731,423.64 and 167,799.40 is: 251,636.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,736.98 : 731,423.64 = 167,799.40 : x
  2. Step 2: Convert to fraction form
    487,736.98/731,423.64 = 167,799.40/x
  3. Step 3: Cross multiply
    487,736.98x = 731,423.64 × 167,799.40
  4. Step 4: Simplify right side
    487,736.98x = 122,732,447,937.82
  5. Step 5: Solve for x
    x = 122,732,447,937.82/487,736.98
  6. Step 6: Final answer
    x = 251,636.54

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1.5x scale

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.