Home / 1,543,671.78-2,130,273.18-864,608.28

Finding the Fourth Proportional to 1,543,671.78, 2,130,273.18 and 864,608.28

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Solution

The fourth proportional to 1,543,671.78, 2,130,273.18 and 864,608.28 is: 1,193,162.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,671.78 : 2,130,273.18 = 864,608.28 : x
  2. Step 2: Convert to fraction form
    1,543,671.78/2,130,273.18 = 864,608.28/x
  3. Step 3: Cross multiply
    1,543,671.78x = 2,130,273.18 × 864,608.28
  4. Step 4: Simplify right side
    1,543,671.78x = 1,841,851,830,089.93
  5. Step 5: Solve for x
    x = 1,841,851,830,089.93/1,543,671.78
  6. Step 6: Final answer
    x = 1,193,162.86

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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.