Home / 629,016.12-943,119.18-458,300.52

Finding the Fourth Proportional to 629,016.12, 943,119.18 and 458,300.52

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Solution

The fourth proportional to 629,016.12, 943,119.18 and 458,300.52 is: 687,155.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,016.12 : 943,119.18 = 458,300.52 : x
  2. Step 2: Convert to fraction form
    629,016.12/943,119.18 = 458,300.52/x
  3. Step 3: Cross multiply
    629,016.12x = 943,119.18 × 458,300.52
  4. Step 4: Simplify right side
    629,016.12x = 432,232,010,615.97
  5. Step 5: Solve for x
    x = 432,232,010,615.97/629,016.12
  6. Step 6: Final answer
    x = 687,155.70

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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.