Home / 1,226,024.76-1,691,887.65-709,800.42

Finding the Fourth Proportional to 1,226,024.76, 1,691,887.65 and 709,800.42

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Solution

The fourth proportional to 1,226,024.76, 1,691,887.65 and 709,800.42 is: 979,509.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,024.76 : 1,691,887.65 = 709,800.42 : x
  2. Step 2: Convert to fraction form
    1,226,024.76/1,691,887.65 = 709,800.42/x
  3. Step 3: Cross multiply
    1,226,024.76x = 1,691,887.65 × 709,800.42
  4. Step 4: Simplify right side
    1,226,024.76x = 1,200,902,564,562.81
  5. Step 5: Solve for x
    x = 1,200,902,564,562.81/1,226,024.76
  6. Step 6: Final answer
    x = 979,509.23

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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.