Home / 1,314,398.66-1,813,869.38-710,786.66

Finding the Fourth Proportional to 1,314,398.66, 1,813,869.38 and 710,786.66

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Solution

The fourth proportional to 1,314,398.66, 1,813,869.38 and 710,786.66 is: 980,885.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,398.66 : 1,813,869.38 = 710,786.66 : x
  2. Step 2: Convert to fraction form
    1,314,398.66/1,813,869.38 = 710,786.66/x
  3. Step 3: Cross multiply
    1,314,398.66x = 1,813,869.38 × 710,786.66
  4. Step 4: Simplify right side
    1,314,398.66x = 1,289,274,150,994.09
  5. Step 5: Solve for x
    x = 1,289,274,150,994.09/1,314,398.66
  6. Step 6: Final answer
    x = 980,885.17

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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.