Home / 1,015,190.32-1,522,802.88-384,401.20

Finding the Fourth Proportional to 1,015,190.32, 1,522,802.88 and 384,401.20

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Solution

The fourth proportional to 1,015,190.32, 1,522,802.88 and 384,401.20 is: 576,608.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,190.32 : 1,522,802.88 = 384,401.20 : x
  2. Step 2: Convert to fraction form
    1,015,190.32/1,522,802.88 = 384,401.20/x
  3. Step 3: Cross multiply
    1,015,190.32x = 1,522,802.88 × 384,401.20
  4. Step 4: Simplify right side
    1,015,190.32x = 585,367,254,435.46
  5. Step 5: Solve for x
    x = 585,367,254,435.46/1,015,190.32
  6. Step 6: Final answer
    x = 576,608.39

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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.