Home / 1,349,708.81-1,862,620.29-805,892.12

Finding the Fourth Proportional to 1,349,708.81, 1,862,620.29 and 805,892.12

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Solution

The fourth proportional to 1,349,708.81, 1,862,620.29 and 805,892.12 is: 1,112,144.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,708.81 : 1,862,620.29 = 805,892.12 : x
  2. Step 2: Convert to fraction form
    1,349,708.81/1,862,620.29 = 805,892.12/x
  3. Step 3: Cross multiply
    1,349,708.81x = 1,862,620.29 × 805,892.12
  4. Step 4: Simplify right side
    1,349,708.81x = 1,501,071,018,919.67
  5. Step 5: Solve for x
    x = 1,501,071,018,919.67/1,349,708.81
  6. Step 6: Final answer
    x = 1,112,144.34

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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.