Home / 1,289,857.19-1,776,926.03-901,947.17

Finding the Fourth Proportional to 1,289,857.19, 1,776,926.03 and 901,947.17

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Solution

The fourth proportional to 1,289,857.19, 1,776,926.03 and 901,947.17 is: 1,242,535.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,857.19 : 1,776,926.03 = 901,947.17 : x
  2. Step 2: Convert to fraction form
    1,289,857.19/1,776,926.03 = 901,947.17/x
  3. Step 3: Cross multiply
    1,289,857.19x = 1,776,926.03 × 901,947.17
  4. Step 4: Simplify right side
    1,289,857.19x = 1,602,693,403,990.41
  5. Step 5: Solve for x
    x = 1,602,693,403,990.41/1,289,857.19
  6. Step 6: Final answer
    x = 1,242,535.55

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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.