Home / 1,289,320.40-1,932,079.80-935,080.40

Finding the Fourth Proportional to 1,289,320.40, 1,932,079.80 and 935,080.40

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Solution

The fourth proportional to 1,289,320.40, 1,932,079.80 and 935,080.40 is: 1,401,242.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,320.40 : 1,932,079.80 = 935,080.40 : x
  2. Step 2: Convert to fraction form
    1,289,320.40/1,932,079.80 = 935,080.40/x
  3. Step 3: Cross multiply
    1,289,320.40x = 1,932,079.80 × 935,080.40
  4. Step 4: Simplify right side
    1,289,320.40x = 1,806,649,952,215.92
  5. Step 5: Solve for x
    x = 1,806,649,952,215.92/1,289,320.40
  6. Step 6: Final answer
    x = 1,401,242.04

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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.