Home / 828,264.31-1,142,989.67-460,739.64

Finding the Fourth Proportional to 828,264.31, 1,142,989.67 and 460,739.64

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Solution

The fourth proportional to 828,264.31, 1,142,989.67 and 460,739.64 is: 635,812.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,264.31 : 1,142,989.67 = 460,739.64 : x
  2. Step 2: Convert to fraction form
    828,264.31/1,142,989.67 = 460,739.64/x
  3. Step 3: Cross multiply
    828,264.31x = 1,142,989.67 × 460,739.64
  4. Step 4: Simplify right side
    828,264.31x = 526,620,649,079.52
  5. Step 5: Solve for x
    x = 526,620,649,079.52/828,264.31
  6. Step 6: Final answer
    x = 635,812.32

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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.