Home / 882,542.30-1,217,869.94-490,050.80

Finding the Fourth Proportional to 882,542.30, 1,217,869.94 and 490,050.80

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Solution

The fourth proportional to 882,542.30, 1,217,869.94 and 490,050.80 is: 676,248.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,542.30 : 1,217,869.94 = 490,050.80 : x
  2. Step 2: Convert to fraction form
    882,542.30/1,217,869.94 = 490,050.80/x
  3. Step 3: Cross multiply
    882,542.30x = 1,217,869.94 × 490,050.80
  4. Step 4: Simplify right side
    882,542.30x = 596,818,138,392.95
  5. Step 5: Solve for x
    x = 596,818,138,392.95/882,542.30
  6. Step 6: Final answer
    x = 676,248.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.