Home / 804,752.80-1,207,129.20-524,816.80

Finding the Fourth Proportional to 804,752.80, 1,207,129.20 and 524,816.80

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Solution

The fourth proportional to 804,752.80, 1,207,129.20 and 524,816.80 is: 787,225.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,752.80 : 1,207,129.20 = 524,816.80 : x
  2. Step 2: Convert to fraction form
    804,752.80/1,207,129.20 = 524,816.80/x
  3. Step 3: Cross multiply
    804,752.80x = 1,207,129.20 × 524,816.80
  4. Step 4: Simplify right side
    804,752.80x = 633,521,683,930.56
  5. Step 5: Solve for x
    x = 633,521,683,930.56/804,752.80
  6. Step 6: Final answer
    x = 787,225.20

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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.