Home / 1,137,634.32-1,569,926.04-621,388.55

Finding the Fourth Proportional to 1,137,634.32, 1,569,926.04 and 621,388.55

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Solution

The fourth proportional to 1,137,634.32, 1,569,926.04 and 621,388.55 is: 857,511.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,634.32 : 1,569,926.04 = 621,388.55 : x
  2. Step 2: Convert to fraction form
    1,137,634.32/1,569,926.04 = 621,388.55/x
  3. Step 3: Cross multiply
    1,137,634.32x = 1,569,926.04 × 621,388.55
  4. Step 4: Simplify right side
    1,137,634.32x = 975,534,058,366.62
  5. Step 5: Solve for x
    x = 975,534,058,366.62/1,137,634.32
  6. Step 6: Final answer
    x = 857,511.10

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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.