Home / 1,207,637.98-1,666,557.53-663,824.05

Finding the Fourth Proportional to 1,207,637.98, 1,666,557.53 and 663,824.05

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Solution

The fourth proportional to 1,207,637.98, 1,666,557.53 and 663,824.05 is: 916,086.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,637.98 : 1,666,557.53 = 663,824.05 : x
  2. Step 2: Convert to fraction form
    1,207,637.98/1,666,557.53 = 663,824.05/x
  3. Step 3: Cross multiply
    1,207,637.98x = 1,666,557.53 × 663,824.05
  4. Step 4: Simplify right side
    1,207,637.98x = 1,106,300,965,803.48
  5. Step 5: Solve for x
    x = 1,106,300,965,803.48/1,207,637.98
  6. Step 6: Final answer
    x = 916,086.60

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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.