Home / 984,079.20-1,358,158.32-554,442.24

Finding the Fourth Proportional to 984,079.20, 1,358,158.32 and 554,442.24

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Solution

The fourth proportional to 984,079.20, 1,358,158.32 and 554,442.24 is: 765,202.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,079.20 : 1,358,158.32 = 554,442.24 : x
  2. Step 2: Convert to fraction form
    984,079.20/1,358,158.32 = 554,442.24/x
  3. Step 3: Cross multiply
    984,079.20x = 1,358,158.32 × 554,442.24
  4. Step 4: Simplify right side
    984,079.20x = 753,020,341,215.44
  5. Step 5: Solve for x
    x = 753,020,341,215.44/984,079.20
  6. Step 6: Final answer
    x = 765,202.98

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Double scale
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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.