Home / 2,138,689.59-3,208,182-622,385.08

Finding the Fourth Proportional to 2,138,689.59, 3,208,182 and 622,385.08

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Solution

The fourth proportional to 2,138,689.59, 3,208,182 and 622,385.08 is: 933,620.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,689.59 : 3,208,182 = 622,385.08 : x
  2. Step 2: Convert to fraction form
    2,138,689.59/3,208,182 = 622,385.08/x
  3. Step 3: Cross multiply
    2,138,689.59x = 3,208,182 × 622,385.08
  4. Step 4: Simplify right side
    2,138,689.59x = 1,996,724,602,704.11
  5. Step 5: Solve for x
    x = 1,996,724,602,704.11/2,138,689.59
  6. Step 6: Final answer
    x = 933,620.58

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1.5x scale

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.