Home / 856,159.32-1,181,485.38-474,177.90

Finding the Fourth Proportional to 856,159.32, 1,181,485.38 and 474,177.90

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Solution

The fourth proportional to 856,159.32, 1,181,485.38 and 474,177.90 is: 654,357.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,159.32 : 1,181,485.38 = 474,177.90 : x
  2. Step 2: Convert to fraction form
    856,159.32/1,181,485.38 = 474,177.90/x
  3. Step 3: Cross multiply
    856,159.32x = 1,181,485.38 × 474,177.90
  4. Step 4: Simplify right side
    856,159.32x = 560,234,256,369.10
  5. Step 5: Solve for x
    x = 560,234,256,369.10/856,159.32
  6. Step 6: Final answer
    x = 654,357.48

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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.