Home / 1,926,340.32-2,889,700.56-664,001.76

Finding the Fourth Proportional to 1,926,340.32, 2,889,700.56 and 664,001.76

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Solution

The fourth proportional to 1,926,340.32, 2,889,700.56 and 664,001.76 is: 996,068.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926,340.32 : 2,889,700.56 = 664,001.76 : x
  2. Step 2: Convert to fraction form
    1,926,340.32/2,889,700.56 = 664,001.76/x
  3. Step 3: Cross multiply
    1,926,340.32x = 2,889,700.56 × 664,001.76
  4. Step 4: Simplify right side
    1,926,340.32x = 1,918,766,257,712.99
  5. Step 5: Solve for x
    x = 1,918,766,257,712.99/1,926,340.32
  6. Step 6: Final answer
    x = 996,068.16

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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.