Home / 856,511.76-1,181,934.80-474,510.90

Finding the Fourth Proportional to 856,511.76, 1,181,934.80 and 474,510.90

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Solution

The fourth proportional to 856,511.76, 1,181,934.80 and 474,510.90 is: 654,796.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,511.76 : 1,181,934.80 = 474,510.90 : x
  2. Step 2: Convert to fraction form
    856,511.76/1,181,934.80 = 474,510.90/x
  3. Step 3: Cross multiply
    856,511.76x = 1,181,934.80 × 474,510.90
  4. Step 4: Simplify right side
    856,511.76x = 560,840,945,689.32
  5. Step 5: Solve for x
    x = 560,840,945,689.32/856,511.76
  6. Step 6: Final answer
    x = 654,796.55

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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.