Home / 818,200.96-1,227,468.80-344,886.40

Finding the Fourth Proportional to 818,200.96, 1,227,468.80 and 344,886.40

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Solution

The fourth proportional to 818,200.96, 1,227,468.80 and 344,886.40 is: 517,400.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,200.96 : 1,227,468.80 = 344,886.40 : x
  2. Step 2: Convert to fraction form
    818,200.96/1,227,468.80 = 344,886.40/x
  3. Step 3: Cross multiply
    818,200.96x = 1,227,468.80 × 344,886.40
  4. Step 4: Simplify right side
    818,200.96x = 423,337,295,544.32
  5. Step 5: Solve for x
    x = 423,337,295,544.32/818,200.96
  6. Step 6: Final answer
    x = 517,400.15

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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.