Home / 1,214,040.24-1,820,900.40-372,521.52

Finding the Fourth Proportional to 1,214,040.24, 1,820,900.40 and 372,521.52

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Solution

The fourth proportional to 1,214,040.24, 1,820,900.40 and 372,521.52 is: 558,733.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,040.24 : 1,820,900.40 = 372,521.52 : x
  2. Step 2: Convert to fraction form
    1,214,040.24/1,820,900.40 = 372,521.52/x
  3. Step 3: Cross multiply
    1,214,040.24x = 1,820,900.40 × 372,521.52
  4. Step 4: Simplify right side
    1,214,040.24x = 678,324,584,776.61
  5. Step 5: Solve for x
    x = 678,324,584,776.61/1,214,040.24
  6. Step 6: Final answer
    x = 558,733.20

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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.