Home / 1,933,979.74-2,900,969.60-671,808.58

Finding the Fourth Proportional to 1,933,979.74, 2,900,969.60 and 671,808.58

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Solution

The fourth proportional to 1,933,979.74, 2,900,969.60 and 671,808.58 is: 1,007,712.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933,979.74 : 2,900,969.60 = 671,808.58 : x
  2. Step 2: Convert to fraction form
    1,933,979.74/2,900,969.60 = 671,808.58/x
  3. Step 3: Cross multiply
    1,933,979.74x = 2,900,969.60 × 671,808.58
  4. Step 4: Simplify right side
    1,933,979.74x = 1,948,896,267,599.17
  5. Step 5: Solve for x
    x = 1,948,896,267,599.17/1,933,979.74
  6. Step 6: Final answer
    x = 1,007,712.87

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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.