Home / 941,006.57-1,298,608.40-511,314.53

Finding the Fourth Proportional to 941,006.57, 1,298,608.40 and 511,314.53

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Solution

The fourth proportional to 941,006.57, 1,298,608.40 and 511,314.53 is: 705,624.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,006.57 : 1,298,608.40 = 511,314.53 : x
  2. Step 2: Convert to fraction form
    941,006.57/1,298,608.40 = 511,314.53/x
  3. Step 3: Cross multiply
    941,006.57x = 1,298,608.40 × 511,314.53
  4. Step 4: Simplify right side
    941,006.57x = 663,997,338,485.30
  5. Step 5: Solve for x
    x = 663,997,338,485.30/941,006.57
  6. Step 6: Final answer
    x = 705,624.55

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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.