Home / 840,596.64-1,160,023.35-538,790.64

Finding the Fourth Proportional to 840,596.64, 1,160,023.35 and 538,790.64

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Solution

The fourth proportional to 840,596.64, 1,160,023.35 and 538,790.64 is: 743,531.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,596.64 : 1,160,023.35 = 538,790.64 : x
  2. Step 2: Convert to fraction form
    840,596.64/1,160,023.35 = 538,790.64/x
  3. Step 3: Cross multiply
    840,596.64x = 1,160,023.35 × 538,790.64
  4. Step 4: Simplify right side
    840,596.64x = 625,009,723,161.44
  5. Step 5: Solve for x
    x = 625,009,723,161.44/840,596.64
  6. Step 6: Final answer
    x = 743,531.07

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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.