Home / 1,679,074.20-2,518,611.30-557,143.20

Finding the Fourth Proportional to 1,679,074.20, 2,518,611.30 and 557,143.20

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Solution

The fourth proportional to 1,679,074.20, 2,518,611.30 and 557,143.20 is: 835,714.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,074.20 : 2,518,611.30 = 557,143.20 : x
  2. Step 2: Convert to fraction form
    1,679,074.20/2,518,611.30 = 557,143.20/x
  3. Step 3: Cross multiply
    1,679,074.20x = 2,518,611.30 × 557,143.20
  4. Step 4: Simplify right side
    1,679,074.20x = 1,403,227,159,238.16
  5. Step 5: Solve for x
    x = 1,403,227,159,238.16/1,679,074.20
  6. Step 6: Final answer
    x = 835,714.80

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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.