Home / 926,633.54-1,278,691.75-513,140.64

Finding the Fourth Proportional to 926,633.54, 1,278,691.75 and 513,140.64

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Solution

The fourth proportional to 926,633.54, 1,278,691.75 and 513,140.64 is: 708,099.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,633.54 : 1,278,691.75 = 513,140.64 : x
  2. Step 2: Convert to fraction form
    926,633.54/1,278,691.75 = 513,140.64/x
  3. Step 3: Cross multiply
    926,633.54x = 1,278,691.75 × 513,140.64
  4. Step 4: Simplify right side
    926,633.54x = 656,148,702,957.72
  5. Step 5: Solve for x
    x = 656,148,702,957.72/926,633.54
  6. Step 6: Final answer
    x = 708,099.45

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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.