Home / 1,212,669.78-1,818,694.39-359,541.93

Finding the Fourth Proportional to 1,212,669.78, 1,818,694.39 and 359,541.93

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Solution

The fourth proportional to 1,212,669.78, 1,818,694.39 and 359,541.93 is: 539,220.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,669.78 : 1,818,694.39 = 359,541.93 : x
  2. Step 2: Convert to fraction form
    1,212,669.78/1,818,694.39 = 359,541.93/x
  3. Step 3: Cross multiply
    1,212,669.78x = 1,818,694.39 × 359,541.93
  4. Step 4: Simplify right side
    1,212,669.78x = 653,896,891,060.77
  5. Step 5: Solve for x
    x = 653,896,891,060.77/1,212,669.78
  6. Step 6: Final answer
    x = 539,220.90

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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.