Home / 1,028,591.96-1,543,134.27-429,219.70

Finding the Fourth Proportional to 1,028,591.96, 1,543,134.27 and 429,219.70

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Solution

The fourth proportional to 1,028,591.96, 1,543,134.27 and 429,219.70 is: 643,932.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,591.96 : 1,543,134.27 = 429,219.70 : x
  2. Step 2: Convert to fraction form
    1,028,591.96/1,543,134.27 = 429,219.70/x
  3. Step 3: Cross multiply
    1,028,591.96x = 1,543,134.27 × 429,219.70
  4. Step 4: Simplify right side
    1,028,591.96x = 662,343,620,713.45
  5. Step 5: Solve for x
    x = 662,343,620,713.45/1,028,591.96
  6. Step 6: Final answer
    x = 643,932.34

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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.