Home / 1,427,560.86-1,970,106.30-783,041.16

Finding the Fourth Proportional to 1,427,560.86, 1,970,106.30 and 783,041.16

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Solution

The fourth proportional to 1,427,560.86, 1,970,106.30 and 783,041.16 is: 1,080,636.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,560.86 : 1,970,106.30 = 783,041.16 : x
  2. Step 2: Convert to fraction form
    1,427,560.86/1,970,106.30 = 783,041.16/x
  3. Step 3: Cross multiply
    1,427,560.86x = 1,970,106.30 × 783,041.16
  4. Step 4: Simplify right side
    1,427,560.86x = 1,542,674,325,442.97
  5. Step 5: Solve for x
    x = 1,542,674,325,442.97/1,427,560.86
  6. Step 6: Final answer
    x = 1,080,636.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.