Home / 865,629.93-1,298,467.08-410,114.52

Finding the Fourth Proportional to 865,629.93, 1,298,467.08 and 410,114.52

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Solution

The fourth proportional to 865,629.93, 1,298,467.08 and 410,114.52 is: 615,182.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,629.93 : 1,298,467.08 = 410,114.52 : x
  2. Step 2: Convert to fraction form
    865,629.93/1,298,467.08 = 410,114.52/x
  3. Step 3: Cross multiply
    865,629.93x = 1,298,467.08 × 410,114.52
  4. Step 4: Simplify right side
    865,629.93x = 532,520,203,250.00
  5. Step 5: Solve for x
    x = 532,520,203,250.00/865,629.93
  6. Step 6: Final answer
    x = 615,182.29

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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.