Home / 1,216,498.60-1,825,784.70-543,615.40

Finding the Fourth Proportional to 1,216,498.60, 1,825,784.70 and 543,615.40

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Solution

The fourth proportional to 1,216,498.60, 1,825,784.70 and 543,615.40 is: 815,886.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,498.60 : 1,825,784.70 = 543,615.40 : x
  2. Step 2: Convert to fraction form
    1,216,498.60/1,825,784.70 = 543,615.40/x
  3. Step 3: Cross multiply
    1,216,498.60x = 1,825,784.70 × 543,615.40
  4. Step 4: Simplify right side
    1,216,498.60x = 992,524,680,004.38
  5. Step 5: Solve for x
    x = 992,524,680,004.38/1,216,498.60
  6. Step 6: Final answer
    x = 815,886.41

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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.