Home / 1,637,659.84-2,456,489.76-639,688

Finding the Fourth Proportional to 1,637,659.84, 2,456,489.76 and 639,688

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Solution

The fourth proportional to 1,637,659.84, 2,456,489.76 and 639,688 is: 959,532.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,659.84 : 2,456,489.76 = 639,688 : x
  2. Step 2: Convert to fraction form
    1,637,659.84/2,456,489.76 = 639,688/x
  3. Step 3: Cross multiply
    1,637,659.84x = 2,456,489.76 × 639,688
  4. Step 4: Simplify right side
    1,637,659.84x = 1,571,387,021,594.88
  5. Step 5: Solve for x
    x = 1,571,387,021,594.88/1,637,659.84
  6. Step 6: Final answer
    x = 959,532.00

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Similar ratio
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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.