Home / 972,116.20-1,340,981.22-569,630.44

Finding the Fourth Proportional to 972,116.20, 1,340,981.22 and 569,630.44

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Solution

The fourth proportional to 972,116.20, 1,340,981.22 and 569,630.44 is: 785,774.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,116.20 : 1,340,981.22 = 569,630.44 : x
  2. Step 2: Convert to fraction form
    972,116.20/1,340,981.22 = 569,630.44/x
  3. Step 3: Cross multiply
    972,116.20x = 1,340,981.22 × 569,630.44
  4. Step 4: Simplify right side
    972,116.20x = 763,863,722,380.34
  5. Step 5: Solve for x
    x = 763,863,722,380.34/972,116.20
  6. Step 6: Final answer
    x = 785,774.09

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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.