Home / 766,173.38-1,057,319.20-444,070.30

Finding the Fourth Proportional to 766,173.38, 1,057,319.20 and 444,070.30

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Solution

The fourth proportional to 766,173.38, 1,057,319.20 and 444,070.30 is: 612,816.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,173.38 : 1,057,319.20 = 444,070.30 : x
  2. Step 2: Convert to fraction form
    766,173.38/1,057,319.20 = 444,070.30/x
  3. Step 3: Cross multiply
    766,173.38x = 1,057,319.20 × 444,070.30
  4. Step 4: Simplify right side
    766,173.38x = 469,524,054,339.76
  5. Step 5: Solve for x
    x = 469,524,054,339.76/766,173.38
  6. Step 6: Final answer
    x = 612,816.98

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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.