Home / 1,312,836.93-1,969,254.72-414,368.73

Finding the Fourth Proportional to 1,312,836.93, 1,969,254.72 and 414,368.73

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Solution

The fourth proportional to 1,312,836.93, 1,969,254.72 and 414,368.73 is: 621,552.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,836.93 : 1,969,254.72 = 414,368.73 : x
  2. Step 2: Convert to fraction form
    1,312,836.93/1,969,254.72 = 414,368.73/x
  3. Step 3: Cross multiply
    1,312,836.93x = 1,969,254.72 × 414,368.73
  4. Step 4: Simplify right side
    1,312,836.93x = 815,997,577,372.91
  5. Step 5: Solve for x
    x = 815,997,577,372.91/1,312,836.93
  6. Step 6: Final answer
    x = 621,552.88

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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.