Home / 1,289,624.40-1,932,535.80-935,384.40

Finding the Fourth Proportional to 1,289,624.40, 1,932,535.80 and 935,384.40

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Solution

The fourth proportional to 1,289,624.40, 1,932,535.80 and 935,384.40 is: 1,401,697.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,624.40 : 1,932,535.80 = 935,384.40 : x
  2. Step 2: Convert to fraction form
    1,289,624.40/1,932,535.80 = 935,384.40/x
  3. Step 3: Cross multiply
    1,289,624.40x = 1,932,535.80 × 935,384.40
  4. Step 4: Simplify right side
    1,289,624.40x = 1,807,663,839,761.52
  5. Step 5: Solve for x
    x = 1,807,663,839,761.52/1,289,624.40
  6. Step 6: Final answer
    x = 1,401,697.92

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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.