Home / 827,873.56-1,142,560.20-460,387.36

Finding the Fourth Proportional to 827,873.56, 1,142,560.20 and 460,387.36

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Solution

The fourth proportional to 827,873.56, 1,142,560.20 and 460,387.36 is: 635,387.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,873.56 : 1,142,560.20 = 460,387.36 : x
  2. Step 2: Convert to fraction form
    827,873.56/1,142,560.20 = 460,387.36/x
  3. Step 3: Cross multiply
    827,873.56x = 1,142,560.20 × 460,387.36
  4. Step 4: Simplify right side
    827,873.56x = 526,020,274,119.07
  5. Step 5: Solve for x
    x = 526,020,274,119.07/827,873.56
  6. Step 6: Final answer
    x = 635,387.21

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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.