Home / 1,230,515.80-1,846,032.90-520,178.20

Finding the Fourth Proportional to 1,230,515.80, 1,846,032.90 and 520,178.20

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Solution

The fourth proportional to 1,230,515.80, 1,846,032.90 and 520,178.20 is: 780,376.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,515.80 : 1,846,032.90 = 520,178.20 : x
  2. Step 2: Convert to fraction form
    1,230,515.80/1,846,032.90 = 520,178.20/x
  3. Step 3: Cross multiply
    1,230,515.80x = 1,846,032.90 × 520,178.20
  4. Step 4: Simplify right side
    1,230,515.80x = 960,266,071,062.78
  5. Step 5: Solve for x
    x = 960,266,071,062.78/1,230,515.80
  6. Step 6: Final answer
    x = 780,376.87

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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.