Home / 751,522.76-1,037,079.96-429,226.20

Finding the Fourth Proportional to 751,522.76, 1,037,079.96 and 429,226.20

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Solution

The fourth proportional to 751,522.76, 1,037,079.96 and 429,226.20 is: 592,319.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,522.76 : 1,037,079.96 = 429,226.20 : x
  2. Step 2: Convert to fraction form
    751,522.76/1,037,079.96 = 429,226.20/x
  3. Step 3: Cross multiply
    751,522.76x = 1,037,079.96 × 429,226.20
  4. Step 4: Simplify right side
    751,522.76x = 445,141,890,326.95
  5. Step 5: Solve for x
    x = 445,141,890,326.95/751,522.76
  6. Step 6: Final answer
    x = 592,319.91

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.