Home / 912,154.40-1,368,231.60-576,231.20

Finding the Fourth Proportional to 912,154.40, 1,368,231.60 and 576,231.20

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Solution

The fourth proportional to 912,154.40, 1,368,231.60 and 576,231.20 is: 864,346.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,154.40 : 1,368,231.60 = 576,231.20 : x
  2. Step 2: Convert to fraction form
    912,154.40/1,368,231.60 = 576,231.20/x
  3. Step 3: Cross multiply
    912,154.40x = 1,368,231.60 × 576,231.20
  4. Step 4: Simplify right side
    912,154.40x = 788,417,736,745.92
  5. Step 5: Solve for x
    x = 788,417,736,745.92/912,154.40
  6. Step 6: Final answer
    x = 864,346.80

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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.