Home / 862,036.44-1,189,525.14-480,098.76

Finding the Fourth Proportional to 862,036.44, 1,189,525.14 and 480,098.76

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Solution

The fourth proportional to 862,036.44, 1,189,525.14 and 480,098.76 is: 662,488.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,036.44 : 1,189,525.14 = 480,098.76 : x
  2. Step 2: Convert to fraction form
    862,036.44/1,189,525.14 = 480,098.76/x
  3. Step 3: Cross multiply
    862,036.44x = 1,189,525.14 × 480,098.76
  4. Step 4: Simplify right side
    862,036.44x = 571,089,544,702.83
  5. Step 5: Solve for x
    x = 571,089,544,702.83/862,036.44
  6. Step 6: Final answer
    x = 662,488.87

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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.