Home / 1,959,688.49-2,939,531.65-611,966.61

Finding the Fourth Proportional to 1,959,688.49, 2,939,531.65 and 611,966.61

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Solution

The fourth proportional to 1,959,688.49, 2,939,531.65 and 611,966.61 is: 917,949.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,959,688.49 : 2,939,531.65 = 611,966.61 : x
  2. Step 2: Convert to fraction form
    1,959,688.49/2,939,531.65 = 611,966.61/x
  3. Step 3: Cross multiply
    1,959,688.49x = 2,939,531.65 × 611,966.61
  4. Step 4: Simplify right side
    1,959,688.49x = 1,798,895,217,308.29
  5. Step 5: Solve for x
    x = 1,798,895,217,308.29/1,959,688.49
  6. Step 6: Final answer
    x = 917,949.58

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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.