Home / 1,241,998.40-1,862,824.80-400,635.20

Finding the Fourth Proportional to 1,241,998.40, 1,862,824.80 and 400,635.20

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Solution

The fourth proportional to 1,241,998.40, 1,862,824.80 and 400,635.20 is: 600,897.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,998.40 : 1,862,824.80 = 400,635.20 : x
  2. Step 2: Convert to fraction form
    1,241,998.40/1,862,824.80 = 400,635.20/x
  3. Step 3: Cross multiply
    1,241,998.40x = 1,862,824.80 × 400,635.20
  4. Step 4: Simplify right side
    1,241,998.40x = 746,313,186,312.96
  5. Step 5: Solve for x
    x = 746,313,186,312.96/1,241,998.40
  6. Step 6: Final answer
    x = 600,897.06

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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.