Home / 971,178.48-1,340,324.28-563,405.04

Finding the Fourth Proportional to 971,178.48, 1,340,324.28 and 563,405.04

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Solution

The fourth proportional to 971,178.48, 1,340,324.28 and 563,405.04 is: 777,555.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,178.48 : 1,340,324.28 = 563,405.04 : x
  2. Step 2: Convert to fraction form
    971,178.48/1,340,324.28 = 563,405.04/x
  3. Step 3: Cross multiply
    971,178.48x = 1,340,324.28 × 563,405.04
  4. Step 4: Simplify right side
    971,178.48x = 755,145,454,586.37
  5. Step 5: Solve for x
    x = 755,145,454,586.37/971,178.48
  6. Step 6: Final answer
    x = 777,555.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.