Home / 1,241,625.60-1,862,956.80-400,435.20

Finding the Fourth Proportional to 1,241,625.60, 1,862,956.80 and 400,435.20

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Solution

The fourth proportional to 1,241,625.60, 1,862,956.80 and 400,435.20 is: 600,819.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,625.60 : 1,862,956.80 = 400,435.20 : x
  2. Step 2: Convert to fraction form
    1,241,625.60/1,862,956.80 = 400,435.20/x
  3. Step 3: Cross multiply
    1,241,625.60x = 1,862,956.80 × 400,435.20
  4. Step 4: Simplify right side
    1,241,625.60x = 745,993,478,799.36
  5. Step 5: Solve for x
    x = 745,993,478,799.36/1,241,625.60
  6. Step 6: Final answer
    x = 600,819.99

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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.