Home / 1,817,813.70-2,726,720.55-619,337.70

Finding the Fourth Proportional to 1,817,813.70, 2,726,720.55 and 619,337.70

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Solution

The fourth proportional to 1,817,813.70, 2,726,720.55 and 619,337.70 is: 929,006.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817,813.70 : 2,726,720.55 = 619,337.70 : x
  2. Step 2: Convert to fraction form
    1,817,813.70/2,726,720.55 = 619,337.70/x
  3. Step 3: Cross multiply
    1,817,813.70x = 2,726,720.55 × 619,337.70
  4. Step 4: Simplify right side
    1,817,813.70x = 1,688,760,833,979.74
  5. Step 5: Solve for x
    x = 1,688,760,833,979.74/1,817,813.70
  6. Step 6: Final answer
    x = 929,006.55

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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.