Home / 862,326.16-1,190,046.92-480,353.20

Finding the Fourth Proportional to 862,326.16, 1,190,046.92 and 480,353.20

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Solution

The fourth proportional to 862,326.16, 1,190,046.92 and 480,353.20 is: 662,907.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,326.16 : 1,190,046.92 = 480,353.20 : x
  2. Step 2: Convert to fraction form
    862,326.16/1,190,046.92 = 480,353.20/x
  3. Step 3: Cross multiply
    862,326.16x = 1,190,046.92 × 480,353.20
  4. Step 4: Simplify right side
    862,326.16x = 571,642,846,172.14
  5. Step 5: Solve for x
    x = 571,642,846,172.14/862,326.16
  6. Step 6: Final answer
    x = 662,907.93

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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.