Home / 1,011,392.56-1,396,054.35-805,039.47

Finding the Fourth Proportional to 1,011,392.56, 1,396,054.35 and 805,039.47

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Solution

The fourth proportional to 1,011,392.56, 1,396,054.35 and 805,039.47 is: 1,111,219.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,392.56 : 1,396,054.35 = 805,039.47 : x
  2. Step 2: Convert to fraction form
    1,011,392.56/1,396,054.35 = 805,039.47/x
  3. Step 3: Cross multiply
    1,011,392.56x = 1,396,054.35 × 805,039.47
  4. Step 4: Simplify right side
    1,011,392.56x = 1,123,878,854,015.19
  5. Step 5: Solve for x
    x = 1,123,878,854,015.19/1,011,392.56
  6. Step 6: Final answer
    x = 1,111,219.22

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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.