Home / 862,079.33-1,189,706.39-480,106.11

Finding the Fourth Proportional to 862,079.33, 1,189,706.39 and 480,106.11

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Solution

The fourth proportional to 862,079.33, 1,189,706.39 and 480,106.11 is: 662,566.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,079.33 : 1,189,706.39 = 480,106.11 : x
  2. Step 2: Convert to fraction form
    862,079.33/1,189,706.39 = 480,106.11/x
  3. Step 3: Cross multiply
    862,079.33x = 1,189,706.39 × 480,106.11
  4. Step 4: Simplify right side
    862,079.33x = 571,185,306,945.04
  5. Step 5: Solve for x
    x = 571,185,306,945.04/862,079.33
  6. Step 6: Final answer
    x = 662,566.99

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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.