Home / 1,312,957.17-1,969,435.53-415,029.24

Finding the Fourth Proportional to 1,312,957.17, 1,969,435.53 and 415,029.24

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Solution

The fourth proportional to 1,312,957.17, 1,969,435.53 and 415,029.24 is: 622,543.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,957.17 : 1,969,435.53 = 415,029.24 : x
  2. Step 2: Convert to fraction form
    1,312,957.17/1,969,435.53 = 415,029.24/x
  3. Step 3: Cross multiply
    1,312,957.17x = 1,969,435.53 × 415,029.24
  4. Step 4: Simplify right side
    1,312,957.17x = 817,373,331,244.90
  5. Step 5: Solve for x
    x = 817,373,331,244.90/1,312,957.17
  6. Step 6: Final answer
    x = 622,543.79

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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.