Home / 1,840,515.28-2,760,920.54-642,411.07

Finding the Fourth Proportional to 1,840,515.28, 2,760,920.54 and 642,411.07

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Solution

The fourth proportional to 1,840,515.28, 2,760,920.54 and 642,411.07 is: 963,668.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840,515.28 : 2,760,920.54 = 642,411.07 : x
  2. Step 2: Convert to fraction form
    1,840,515.28/2,760,920.54 = 642,411.07/x
  3. Step 3: Cross multiply
    1,840,515.28x = 2,760,920.54 × 642,411.07
  4. Step 4: Simplify right side
    1,840,515.28x = 1,773,645,910,581.06
  5. Step 5: Solve for x
    x = 1,773,645,910,581.06/1,840,515.28
  6. Step 6: Final answer
    x = 963,668.13

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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.