Home / 1,154,945.79-1,593,835.28-638,672.85

Finding the Fourth Proportional to 1,154,945.79, 1,593,835.28 and 638,672.85

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Solution

The fourth proportional to 1,154,945.79, 1,593,835.28 and 638,672.85 is: 881,374.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,945.79 : 1,593,835.28 = 638,672.85 : x
  2. Step 2: Convert to fraction form
    1,154,945.79/1,593,835.28 = 638,672.85/x
  3. Step 3: Cross multiply
    1,154,945.79x = 1,593,835.28 × 638,672.85
  4. Step 4: Simplify right side
    1,154,945.79x = 1,017,939,320,708.15
  5. Step 5: Solve for x
    x = 1,017,939,320,708.15/1,154,945.79
  6. Step 6: Final answer
    x = 881,374.11

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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.