Home / 979,198.56-1,351,281.36-549,487.20

Finding the Fourth Proportional to 979,198.56, 1,351,281.36 and 549,487.20

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Solution

The fourth proportional to 979,198.56, 1,351,281.36 and 549,487.20 is: 758,285.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,198.56 : 1,351,281.36 = 549,487.20 : x
  2. Step 2: Convert to fraction form
    979,198.56/1,351,281.36 = 549,487.20/x
  3. Step 3: Cross multiply
    979,198.56x = 1,351,281.36 × 549,487.20
  4. Step 4: Simplify right side
    979,198.56x = 742,511,810,918.59
  5. Step 5: Solve for x
    x = 742,511,810,918.59/979,198.56
  6. Step 6: Final answer
    x = 758,285.24

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Double scale
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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.