Home / 856,319.25-1,181,720.57-474,370.77

Finding the Fourth Proportional to 856,319.25, 1,181,720.57 and 474,370.77

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Solution

The fourth proportional to 856,319.25, 1,181,720.57 and 474,370.77 is: 654,631.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,319.25 : 1,181,720.57 = 474,370.77 : x
  2. Step 2: Convert to fraction form
    856,319.25/1,181,720.57 = 474,370.77/x
  3. Step 3: Cross multiply
    856,319.25x = 1,181,720.57 × 474,370.77
  4. Step 4: Simplify right side
    856,319.25x = 560,573,694,343.89
  5. Step 5: Solve for x
    x = 560,573,694,343.89/856,319.25
  6. Step 6: Final answer
    x = 654,631.66

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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.