Home / 1,071,900.54-1,479,294.50-708,699.92

Finding the Fourth Proportional to 1,071,900.54, 1,479,294.50 and 708,699.92

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Solution

The fourth proportional to 1,071,900.54, 1,479,294.50 and 708,699.92 is: 978,053.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,900.54 : 1,479,294.50 = 708,699.92 : x
  2. Step 2: Convert to fraction form
    1,071,900.54/1,479,294.50 = 708,699.92/x
  3. Step 3: Cross multiply
    1,071,900.54x = 1,479,294.50 × 708,699.92
  4. Step 4: Simplify right side
    1,071,900.54x = 1,048,375,882,866.47
  5. Step 5: Solve for x
    x = 1,048,375,882,866.47/1,071,900.54
  6. Step 6: Final answer
    x = 978,053.32

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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.