Home / 1,584,400.65-2,377,300.82-639,616.65

Finding the Fourth Proportional to 1,584,400.65, 2,377,300.82 and 639,616.65

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Solution

The fourth proportional to 1,584,400.65, 2,377,300.82 and 639,616.65 is: 959,707.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,584,400.65 : 2,377,300.82 = 639,616.65 : x
  2. Step 2: Convert to fraction form
    1,584,400.65/2,377,300.82 = 639,616.65/x
  3. Step 3: Cross multiply
    1,584,400.65x = 2,377,300.82 × 639,616.65
  4. Step 4: Simplify right side
    1,584,400.65x = 1,520,561,183,332.57
  5. Step 5: Solve for x
    x = 1,520,561,183,332.57/1,584,400.65
  6. Step 6: Final answer
    x = 959,707.50

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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.