Home / 1,296,359.40-1,944,526.30-409,895.40

Finding the Fourth Proportional to 1,296,359.40, 1,944,526.30 and 409,895.40

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Solution

The fourth proportional to 1,296,359.40, 1,944,526.30 and 409,895.40 is: 614,839.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,359.40 : 1,944,526.30 = 409,895.40 : x
  2. Step 2: Convert to fraction form
    1,296,359.40/1,944,526.30 = 409,895.40/x
  3. Step 3: Cross multiply
    1,296,359.40x = 1,944,526.30 × 409,895.40
  4. Step 4: Simplify right side
    1,296,359.40x = 797,052,385,549.02
  5. Step 5: Solve for x
    x = 797,052,385,549.02/1,296,359.40
  6. Step 6: Final answer
    x = 614,839.05

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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.