Home / 1,209,891.47-1,814,211.91-356,854.55

Finding the Fourth Proportional to 1,209,891.47, 1,814,211.91 and 356,854.55

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Solution

The fourth proportional to 1,209,891.47, 1,814,211.91 and 356,854.55 is: 535,097.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,891.47 : 1,814,211.91 = 356,854.55 : x
  2. Step 2: Convert to fraction form
    1,209,891.47/1,814,211.91 = 356,854.55/x
  3. Step 3: Cross multiply
    1,209,891.47x = 1,814,211.91 × 356,854.55
  4. Step 4: Simplify right side
    1,209,891.47x = 647,409,774,747.69
  5. Step 5: Solve for x
    x = 647,409,774,747.69/1,209,891.47
  6. Step 6: Final answer
    x = 535,097.40

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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.