Home / 865,627.93-1,298,464.08-410,112.52

Finding the Fourth Proportional to 865,627.93, 1,298,464.08 and 410,112.52

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Solution

The fourth proportional to 865,627.93, 1,298,464.08 and 410,112.52 is: 615,179.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,627.93 : 1,298,464.08 = 410,112.52 : x
  2. Step 2: Convert to fraction form
    865,627.93/1,298,464.08 = 410,112.52/x
  3. Step 3: Cross multiply
    865,627.93x = 1,298,464.08 × 410,112.52
  4. Step 4: Simplify right side
    865,627.93x = 532,516,369,485.96
  5. Step 5: Solve for x
    x = 532,516,369,485.96/865,627.93
  6. Step 6: Final answer
    x = 615,179.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.