Home / 1,119,364.88-1,679,296.80-409,377.20

Finding the Fourth Proportional to 1,119,364.88, 1,679,296.80 and 409,377.20

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Solution

The fourth proportional to 1,119,364.88, 1,679,296.80 and 409,377.20 is: 614,157.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,364.88 : 1,679,296.80 = 409,377.20 : x
  2. Step 2: Convert to fraction form
    1,119,364.88/1,679,296.80 = 409,377.20/x
  3. Step 3: Cross multiply
    1,119,364.88x = 1,679,296.80 × 409,377.20
  4. Step 4: Simplify right side
    1,119,364.88x = 687,465,821,952.96
  5. Step 5: Solve for x
    x = 687,465,821,952.96/1,119,364.88
  6. Step 6: Final answer
    x = 614,157.04

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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.