Home / 473,923.60-710,885.28-189,742

Finding the Fourth Proportional to 473,923.60, 710,885.28 and 189,742

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Solution

The fourth proportional to 473,923.60, 710,885.28 and 189,742 is: 284,612.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,923.60 : 710,885.28 = 189,742 : x
  2. Step 2: Convert to fraction form
    473,923.60/710,885.28 = 189,742/x
  3. Step 3: Cross multiply
    473,923.60x = 710,885.28 × 189,742
  4. Step 4: Simplify right side
    473,923.60x = 134,884,794,797.76
  5. Step 5: Solve for x
    x = 134,884,794,797.76/473,923.60
  6. Step 6: Final answer
    x = 284,612.95

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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.