Home / 1,637,783.84-2,456,675.76-639,812

Finding the Fourth Proportional to 1,637,783.84, 2,456,675.76 and 639,812

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Solution

The fourth proportional to 1,637,783.84, 2,456,675.76 and 639,812 is: 959,718.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,783.84 : 2,456,675.76 = 639,812 : x
  2. Step 2: Convert to fraction form
    1,637,783.84/2,456,675.76 = 639,812/x
  3. Step 3: Cross multiply
    1,637,783.84x = 2,456,675.76 × 639,812
  4. Step 4: Simplify right side
    1,637,783.84x = 1,571,810,631,357.12
  5. Step 5: Solve for x
    x = 1,571,810,631,357.12/1,637,783.84
  6. Step 6: Final answer
    x = 959,718.00

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Similar ratio
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1.5x scale

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.