Home / 1,349,705.81-1,862,616.15-805,889.12

Finding the Fourth Proportional to 1,349,705.81, 1,862,616.15 and 805,889.12

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Solution

The fourth proportional to 1,349,705.81, 1,862,616.15 and 805,889.12 is: 1,112,140.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,705.81 : 1,862,616.15 = 805,889.12 : x
  2. Step 2: Convert to fraction form
    1,349,705.81/1,862,616.15 = 805,889.12/x
  3. Step 3: Cross multiply
    1,349,705.81x = 1,862,616.15 × 805,889.12
  4. Step 4: Simplify right side
    1,349,705.81x = 1,501,062,098,690.59
  5. Step 5: Solve for x
    x = 1,501,062,098,690.59/1,349,705.81
  6. Step 6: Final answer
    x = 1,112,140.21

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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.