Home / 892,187.20-1,338,280.80-514,273.60

Finding the Fourth Proportional to 892,187.20, 1,338,280.80 and 514,273.60

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Solution

The fourth proportional to 892,187.20, 1,338,280.80 and 514,273.60 is: 771,410.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,187.20 : 1,338,280.80 = 514,273.60 : x
  2. Step 2: Convert to fraction form
    892,187.20/1,338,280.80 = 514,273.60/x
  3. Step 3: Cross multiply
    892,187.20x = 1,338,280.80 × 514,273.60
  4. Step 4: Simplify right side
    892,187.20x = 688,242,484,826.88
  5. Step 5: Solve for x
    x = 688,242,484,826.88/892,187.20
  6. Step 6: Final answer
    x = 771,410.40

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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.