Home / 1,027,641.60-1,541,462.40-279,686.40

Finding the Fourth Proportional to 1,027,641.60, 1,541,462.40 and 279,686.40

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Solution

The fourth proportional to 1,027,641.60, 1,541,462.40 and 279,686.40 is: 419,529.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,641.60 : 1,541,462.40 = 279,686.40 : x
  2. Step 2: Convert to fraction form
    1,027,641.60/1,541,462.40 = 279,686.40/x
  3. Step 3: Cross multiply
    1,027,641.60x = 1,541,462.40 × 279,686.40
  4. Step 4: Simplify right side
    1,027,641.60x = 431,126,069,391.36
  5. Step 5: Solve for x
    x = 431,126,069,391.36/1,027,641.60
  6. Step 6: Final answer
    x = 419,529.60

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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.