Home / 1,637,784.34-2,456,676.51-639,812.50

Finding the Fourth Proportional to 1,637,784.34, 2,456,676.51 and 639,812.50

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Solution

The fourth proportional to 1,637,784.34, 2,456,676.51 and 639,812.50 is: 959,718.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,784.34 : 2,456,676.51 = 639,812.50 : x
  2. Step 2: Convert to fraction form
    1,637,784.34/2,456,676.51 = 639,812.50/x
  3. Step 3: Cross multiply
    1,637,784.34x = 2,456,676.51 × 639,812.50
  4. Step 4: Simplify right side
    1,637,784.34x = 1,571,812,339,554.37
  5. Step 5: Solve for x
    x = 1,571,812,339,554.37/1,637,784.34
  6. Step 6: Final answer
    x = 959,718.75

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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.