Home / 1,239,510.40-1,859,438.40-529,532.80

Finding the Fourth Proportional to 1,239,510.40, 1,859,438.40 and 529,532.80

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Solution

The fourth proportional to 1,239,510.40, 1,859,438.40 and 529,532.80 is: 794,373.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,510.40 : 1,859,438.40 = 529,532.80 : x
  2. Step 2: Convert to fraction form
    1,239,510.40/1,859,438.40 = 529,532.80/x
  3. Step 3: Cross multiply
    1,239,510.40x = 1,859,438.40 × 529,532.80
  4. Step 4: Simplify right side
    1,239,510.40x = 984,633,622,379.52
  5. Step 5: Solve for x
    x = 984,633,622,379.52/1,239,510.40
  6. Step 6: Final answer
    x = 794,373.02

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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.