Home / 927,619.58-1,391,628.02-287,909.93

Finding the Fourth Proportional to 927,619.58, 1,391,628.02 and 287,909.93

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Solution

The fourth proportional to 927,619.58, 1,391,628.02 and 287,909.93 is: 431,926.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,619.58 : 1,391,628.02 = 287,909.93 : x
  2. Step 2: Convert to fraction form
    927,619.58/1,391,628.02 = 287,909.93/x
  3. Step 3: Cross multiply
    927,619.58x = 1,391,628.02 × 287,909.93
  4. Step 4: Simplify right side
    927,619.58x = 400,663,517,426.55
  5. Step 5: Solve for x
    x = 400,663,517,426.55/927,619.58
  6. Step 6: Final answer
    x = 431,926.54

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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.