Home / 1,011,390.06-1,396,050.90-805,036.97

Finding the Fourth Proportional to 1,011,390.06, 1,396,050.90 and 805,036.97

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Solution

The fourth proportional to 1,011,390.06, 1,396,050.90 and 805,036.97 is: 1,111,215.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,390.06 : 1,396,050.90 = 805,036.97 : x
  2. Step 2: Convert to fraction form
    1,011,390.06/1,396,050.90 = 805,036.97/x
  3. Step 3: Cross multiply
    1,011,390.06x = 1,396,050.90 × 805,036.97
  4. Step 4: Simplify right side
    1,011,390.06x = 1,123,872,579,521.52
  5. Step 5: Solve for x
    x = 1,123,872,579,521.52/1,011,390.06
  6. Step 6: Final answer
    x = 1,111,215.77

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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.