Home / 1,169,555.81-1,614,000.48-686,129.18

Finding the Fourth Proportional to 1,169,555.81, 1,614,000.48 and 686,129.18

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Solution

The fourth proportional to 1,169,555.81, 1,614,000.48 and 686,129.18 is: 946,866.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,555.81 : 1,614,000.48 = 686,129.18 : x
  2. Step 2: Convert to fraction form
    1,169,555.81/1,614,000.48 = 686,129.18/x
  3. Step 3: Cross multiply
    1,169,555.81x = 1,614,000.48 × 686,129.18
  4. Step 4: Simplify right side
    1,169,555.81x = 1,107,412,825,862.01
  5. Step 5: Solve for x
    x = 1,107,412,825,862.01/1,169,555.81
  6. Step 6: Final answer
    x = 946,866.17

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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.