Home / 856,345.12-1,181,740.80-474,370.72

Finding the Fourth Proportional to 856,345.12, 1,181,740.80 and 474,370.72

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Solution

The fourth proportional to 856,345.12, 1,181,740.80 and 474,370.72 is: 654,623.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,345.12 : 1,181,740.80 = 474,370.72 : x
  2. Step 2: Convert to fraction form
    856,345.12/1,181,740.80 = 474,370.72/x
  3. Step 3: Cross multiply
    856,345.12x = 1,181,740.80 × 474,370.72
  4. Step 4: Simplify right side
    856,345.12x = 560,583,234,149.38
  5. Step 5: Solve for x
    x = 560,583,234,149.38/856,345.12
  6. Step 6: Final answer
    x = 654,623.03

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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.