Home / 1,637,663.84-2,456,495.76-639,692

Finding the Fourth Proportional to 1,637,663.84, 2,456,495.76 and 639,692

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Solution

The fourth proportional to 1,637,663.84, 2,456,495.76 and 639,692 is: 959,538.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,663.84 : 2,456,495.76 = 639,692 : x
  2. Step 2: Convert to fraction form
    1,637,663.84/2,456,495.76 = 639,692/x
  3. Step 3: Cross multiply
    1,637,663.84x = 2,456,495.76 × 639,692
  4. Step 4: Simplify right side
    1,637,663.84x = 1,571,400,685,705.92
  5. Step 5: Solve for x
    x = 1,571,400,685,705.92/1,637,663.84
  6. Step 6: Final answer
    x = 959,538.00

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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.