Home / 1,941,654.81-2,912,480.68-521,710.89

Finding the Fourth Proportional to 1,941,654.81, 2,912,480.68 and 521,710.89

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Solution

The fourth proportional to 1,941,654.81, 2,912,480.68 and 521,710.89 is: 782,565.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,654.81 : 2,912,480.68 = 521,710.89 : x
  2. Step 2: Convert to fraction form
    1,941,654.81/2,912,480.68 = 521,710.89/x
  3. Step 3: Cross multiply
    1,941,654.81x = 2,912,480.68 × 521,710.89
  4. Step 4: Simplify right side
    1,941,654.81x = 1,519,472,883,880.40
  5. Step 5: Solve for x
    x = 1,519,472,883,880.40/1,941,654.81
  6. Step 6: Final answer
    x = 782,565.92

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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.