Home / 838,488.63-1,157,833.62-811,374.24

Finding the Fourth Proportional to 838,488.63, 1,157,833.62 and 811,374.24

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Solution

The fourth proportional to 838,488.63, 1,157,833.62 and 811,374.24 is: 1,120,392.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,488.63 : 1,157,833.62 = 811,374.24 : x
  2. Step 2: Convert to fraction form
    838,488.63/1,157,833.62 = 811,374.24/x
  3. Step 3: Cross multiply
    838,488.63x = 1,157,833.62 × 811,374.24
  4. Step 4: Simplify right side
    838,488.63x = 939,436,373,473.95
  5. Step 5: Solve for x
    x = 939,436,373,473.95/838,488.63
  6. Step 6: Final answer
    x = 1,120,392.50

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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.