Home / 1,874,815.20-2,812,368.51-612,770.40

Finding the Fourth Proportional to 1,874,815.20, 2,812,368.51 and 612,770.40

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Solution

The fourth proportional to 1,874,815.20, 2,812,368.51 and 612,770.40 is: 919,203.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,874,815.20 : 2,812,368.51 = 612,770.40 : x
  2. Step 2: Convert to fraction form
    1,874,815.20/2,812,368.51 = 612,770.40/x
  3. Step 3: Cross multiply
    1,874,815.20x = 2,812,368.51 × 612,770.40
  4. Step 4: Simplify right side
    1,874,815.20x = 1,723,336,176,820.10
  5. Step 5: Solve for x
    x = 1,723,336,176,820.10/1,874,815.20
  6. Step 6: Final answer
    x = 919,203.22

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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.