Home / 5,397,440.08-7,443,643.92-4,478,213.20

Finding the Fourth Proportional to 5,397,440.08, 7,443,643.92 and 4,478,213.20

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Solution

The fourth proportional to 5,397,440.08, 7,443,643.92 and 4,478,213.20 is: 6,175,932.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,397,440.08 : 7,443,643.92 = 4,478,213.20 : x
  2. Step 2: Convert to fraction form
    5,397,440.08/7,443,643.92 = 4,478,213.20/x
  3. Step 3: Cross multiply
    5,397,440.08x = 7,443,643.92 × 4,478,213.20
  4. Step 4: Simplify right side
    5,397,440.08x = 33,334,224,458,643.75
  5. Step 5: Solve for x
    x = 33,334,224,458,643.75/5,397,440.08
  6. Step 6: Final answer
    x = 6,175,932.29

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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.