Home / 754,946-1,041,832.86-415,421.54

Finding the Fourth Proportional to 754,946, 1,041,832.86 and 415,421.54

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Solution

The fourth proportional to 754,946, 1,041,832.86 and 415,421.54 is: 573,285.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,946 : 1,041,832.86 = 415,421.54 : x
  2. Step 2: Convert to fraction form
    754,946/1,041,832.86 = 415,421.54/x
  3. Step 3: Cross multiply
    754,946x = 1,041,832.86 × 415,421.54
  4. Step 4: Simplify right side
    754,946x = 432,799,811,123.80
  5. Step 5: Solve for x
    x = 432,799,811,123.80/754,946
  6. Step 6: Final answer
    x = 573,285.79

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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.