Home / 1,221,257.52-1,830,592.58-410,870.21

Finding the Fourth Proportional to 1,221,257.52, 1,830,592.58 and 410,870.21

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Solution

The fourth proportional to 1,221,257.52, 1,830,592.58 and 410,870.21 is: 615,870.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,257.52 : 1,830,592.58 = 410,870.21 : x
  2. Step 2: Convert to fraction form
    1,221,257.52/1,830,592.58 = 410,870.21/x
  3. Step 3: Cross multiply
    1,221,257.52x = 1,830,592.58 × 410,870.21
  4. Step 4: Simplify right side
    1,221,257.52x = 752,135,946,561.73
  5. Step 5: Solve for x
    x = 752,135,946,561.73/1,221,257.52
  6. Step 6: Final answer
    x = 615,870.06

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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.