Home / 1,268,385.78-1,750,389.57-695,424.72

Finding the Fourth Proportional to 1,268,385.78, 1,750,389.57 and 695,424.72

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Solution

The fourth proportional to 1,268,385.78, 1,750,389.57 and 695,424.72 is: 959,695.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,385.78 : 1,750,389.57 = 695,424.72 : x
  2. Step 2: Convert to fraction form
    1,268,385.78/1,750,389.57 = 695,424.72/x
  3. Step 3: Cross multiply
    1,268,385.78x = 1,750,389.57 × 695,424.72
  4. Step 4: Simplify right side
    1,268,385.78x = 1,217,264,176,608.17
  5. Step 5: Solve for x
    x = 1,217,264,176,608.17/1,268,385.78
  6. Step 6: Final answer
    x = 959,695.54

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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.