Home / 828,014.19-1,142,665.89-460,496.47

Finding the Fourth Proportional to 828,014.19, 1,142,665.89 and 460,496.47

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Solution

The fourth proportional to 828,014.19, 1,142,665.89 and 460,496.47 is: 635,488.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,014.19 : 1,142,665.89 = 460,496.47 : x
  2. Step 2: Convert to fraction form
    828,014.19/1,142,665.89 = 460,496.47/x
  3. Step 3: Cross multiply
    828,014.19x = 1,142,665.89 × 460,496.47
  4. Step 4: Simplify right side
    828,014.19x = 526,193,608,734.41
  5. Step 5: Solve for x
    x = 526,193,608,734.41/828,014.19
  6. Step 6: Final answer
    x = 635,488.64

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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.