Home / 1,941,128.60-2,911,001.70-876,680.60

Finding the Fourth Proportional to 1,941,128.60, 2,911,001.70 and 876,680.60

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Solution

The fourth proportional to 1,941,128.60, 2,911,001.70 and 876,680.60 is: 1,314,708.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,128.60 : 2,911,001.70 = 876,680.60 : x
  2. Step 2: Convert to fraction form
    1,941,128.60/2,911,001.70 = 876,680.60/x
  3. Step 3: Cross multiply
    1,941,128.60x = 2,911,001.70 × 876,680.60
  4. Step 4: Simplify right side
    1,941,128.60x = 2,552,018,716,957.02
  5. Step 5: Solve for x
    x = 2,552,018,716,957.02/1,941,128.60
  6. Step 6: Final answer
    x = 1,314,708.73

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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.