Home / 1,217,897.40-1,826,846.10-376,534.20

Finding the Fourth Proportional to 1,217,897.40, 1,826,846.10 and 376,534.20

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Solution

The fourth proportional to 1,217,897.40, 1,826,846.10 and 376,534.20 is: 564,801.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,897.40 : 1,826,846.10 = 376,534.20 : x
  2. Step 2: Convert to fraction form
    1,217,897.40/1,826,846.10 = 376,534.20/x
  3. Step 3: Cross multiply
    1,217,897.40x = 1,826,846.10 × 376,534.20
  4. Step 4: Simplify right side
    1,217,897.40x = 687,870,034,786.62
  5. Step 5: Solve for x
    x = 687,870,034,786.62/1,217,897.40
  6. Step 6: Final answer
    x = 564,801.30

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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.