Home / 1,150,718.40-1,712,490.90-1,112,403.42

Finding the Fourth Proportional to 1,150,718.40, 1,712,490.90 and 1,112,403.42

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Solution

The fourth proportional to 1,150,718.40, 1,712,490.90 and 1,112,403.42 is: 1,655,470.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,718.40 : 1,712,490.90 = 1,112,403.42 : x
  2. Step 2: Convert to fraction form
    1,150,718.40/1,712,490.90 = 1,112,403.42/x
  3. Step 3: Cross multiply
    1,150,718.40x = 1,712,490.90 × 1,112,403.42
  4. Step 4: Simplify right side
    1,150,718.40x = 1,904,980,733,878.88
  5. Step 5: Solve for x
    x = 1,904,980,733,878.88/1,150,718.40
  6. Step 6: Final answer
    x = 1,655,470.82

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.