Home / 1,017,640.74-1,526,493.48-511,925.34

Finding the Fourth Proportional to 1,017,640.74, 1,526,493.48 and 511,925.34

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Solution

The fourth proportional to 1,017,640.74, 1,526,493.48 and 511,925.34 is: 767,904.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,640.74 : 1,526,493.48 = 511,925.34 : x
  2. Step 2: Convert to fraction form
    1,017,640.74/1,526,493.48 = 511,925.34/x
  3. Step 3: Cross multiply
    1,017,640.74x = 1,526,493.48 × 511,925.34
  4. Step 4: Simplify right side
    1,017,640.74x = 781,450,693,756.78
  5. Step 5: Solve for x
    x = 781,450,693,756.78/1,017,640.74
  6. Step 6: Final answer
    x = 767,904.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.