Home / 1,235,175.40-1,852,763.10-348,711.40

Finding the Fourth Proportional to 1,235,175.40, 1,852,763.10 and 348,711.40

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Solution

The fourth proportional to 1,235,175.40, 1,852,763.10 and 348,711.40 is: 523,067.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,175.40 : 1,852,763.10 = 348,711.40 : x
  2. Step 2: Convert to fraction form
    1,235,175.40/1,852,763.10 = 348,711.40/x
  3. Step 3: Cross multiply
    1,235,175.40x = 1,852,763.10 × 348,711.40
  4. Step 4: Simplify right side
    1,235,175.40x = 646,079,614,469.34
  5. Step 5: Solve for x
    x = 646,079,614,469.34/1,235,175.40
  6. Step 6: Final answer
    x = 523,067.10

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Double scale
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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.