Home / 856,385.08-1,181,811.52-474,436.48

Finding the Fourth Proportional to 856,385.08, 1,181,811.52 and 474,436.48

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Solution

The fourth proportional to 856,385.08, 1,181,811.52 and 474,436.48 is: 654,722.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,385.08 : 1,181,811.52 = 474,436.48 : x
  2. Step 2: Convert to fraction form
    856,385.08/1,181,811.52 = 474,436.48/x
  3. Step 3: Cross multiply
    856,385.08x = 1,181,811.52 × 474,436.48
  4. Step 4: Simplify right side
    856,385.08x = 560,694,497,572.25
  5. Step 5: Solve for x
    x = 560,694,497,572.25/856,385.08
  6. Step 6: Final answer
    x = 654,722.40

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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.