Home / 1,332,000.70-1,995,704.70-620,569.60

Finding the Fourth Proportional to 1,332,000.70, 1,995,704.70 and 620,569.60

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Solution

The fourth proportional to 1,332,000.70, 1,995,704.70 and 620,569.60 is: 929,784.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,000.70 : 1,995,704.70 = 620,569.60 : x
  2. Step 2: Convert to fraction form
    1,332,000.70/1,995,704.70 = 620,569.60/x
  3. Step 3: Cross multiply
    1,332,000.70x = 1,995,704.70 × 620,569.60
  4. Step 4: Simplify right side
    1,332,000.70x = 1,238,473,667,397.12
  5. Step 5: Solve for x
    x = 1,238,473,667,397.12/1,332,000.70
  6. Step 6: Final answer
    x = 929,784.55

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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.