Home / 1,569,120.20-2,353,680.30-431,880.20

Finding the Fourth Proportional to 1,569,120.20, 2,353,680.30 and 431,880.20

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Solution

The fourth proportional to 1,569,120.20, 2,353,680.30 and 431,880.20 is: 647,820.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569,120.20 : 2,353,680.30 = 431,880.20 : x
  2. Step 2: Convert to fraction form
    1,569,120.20/2,353,680.30 = 431,880.20/x
  3. Step 3: Cross multiply
    1,569,120.20x = 2,353,680.30 × 431,880.20
  4. Step 4: Simplify right side
    1,569,120.20x = 1,016,507,918,700.06
  5. Step 5: Solve for x
    x = 1,016,507,918,700.06/1,569,120.20
  6. Step 6: Final answer
    x = 647,820.30

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Double scale
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Similar ratio
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1.5x scale

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.