Home / 926,225.20-1,278,442.20-544,374.64

Finding the Fourth Proportional to 926,225.20, 1,278,442.20 and 544,374.64

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Solution

The fourth proportional to 926,225.20, 1,278,442.20 and 544,374.64 is: 751,384.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,225.20 : 1,278,442.20 = 544,374.64 : x
  2. Step 2: Convert to fraction form
    926,225.20/1,278,442.20 = 544,374.64/x
  3. Step 3: Cross multiply
    926,225.20x = 1,278,442.20 × 544,374.64
  4. Step 4: Simplify right side
    926,225.20x = 695,951,512,385.81
  5. Step 5: Solve for x
    x = 695,951,512,385.81/926,225.20
  6. Step 6: Final answer
    x = 751,384.77

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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.