Home / 1,101,159.28-1,519,259.27-641,948.81

Finding the Fourth Proportional to 1,101,159.28, 1,519,259.27 and 641,948.81

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Solution

The fourth proportional to 1,101,159.28, 1,519,259.27 and 641,948.81 is: 885,690.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,159.28 : 1,519,259.27 = 641,948.81 : x
  2. Step 2: Convert to fraction form
    1,101,159.28/1,519,259.27 = 641,948.81/x
  3. Step 3: Cross multiply
    1,101,159.28x = 1,519,259.27 × 641,948.81
  4. Step 4: Simplify right side
    1,101,159.28x = 975,286,673,215.91
  5. Step 5: Solve for x
    x = 975,286,673,215.91/1,101,159.28
  6. Step 6: Final answer
    x = 885,690.82

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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.