Home / 1,153,816.42-1,592,266.59-644,518.78

Finding the Fourth Proportional to 1,153,816.42, 1,592,266.59 and 644,518.78

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Solution

The fourth proportional to 1,153,816.42, 1,592,266.59 and 644,518.78 is: 889,435.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,816.42 : 1,592,266.59 = 644,518.78 : x
  2. Step 2: Convert to fraction form
    1,153,816.42/1,592,266.59 = 644,518.78/x
  3. Step 3: Cross multiply
    1,153,816.42x = 1,592,266.59 × 644,518.78
  4. Step 4: Simplify right side
    1,153,816.42x = 1,026,245,720,021.56
  5. Step 5: Solve for x
    x = 1,026,245,720,021.56/1,153,816.42
  6. Step 6: Final answer
    x = 889,435.88

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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.