Home / 1,719,125.43-2,578,685.33-456,953.07

Finding the Fourth Proportional to 1,719,125.43, 2,578,685.33 and 456,953.07

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Solution

The fourth proportional to 1,719,125.43, 2,578,685.33 and 456,953.07 is: 685,428.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,125.43 : 2,578,685.33 = 456,953.07 : x
  2. Step 2: Convert to fraction form
    1,719,125.43/2,578,685.33 = 456,953.07/x
  3. Step 3: Cross multiply
    1,719,125.43x = 2,578,685.33 × 456,953.07
  4. Step 4: Simplify right side
    1,719,125.43x = 1,178,338,175,822.70
  5. Step 5: Solve for x
    x = 1,178,338,175,822.70/1,719,125.43
  6. Step 6: Final answer
    x = 685,428.86

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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.