Home / 1,207,637.73-1,666,557.18-663,823.80

Finding the Fourth Proportional to 1,207,637.73, 1,666,557.18 and 663,823.80

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Solution

The fourth proportional to 1,207,637.73, 1,666,557.18 and 663,823.80 is: 916,086.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,637.73 : 1,666,557.18 = 663,823.80 : x
  2. Step 2: Convert to fraction form
    1,207,637.73/1,666,557.18 = 663,823.80/x
  3. Step 3: Cross multiply
    1,207,637.73x = 1,666,557.18 × 663,823.80
  4. Step 4: Simplify right side
    1,207,637.73x = 1,106,300,320,144.88
  5. Step 5: Solve for x
    x = 1,106,300,320,144.88/1,207,637.73
  6. Step 6: Final answer
    x = 916,086.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.