Home / 1,314,491.56-1,813,992.90-710,878.12

Finding the Fourth Proportional to 1,314,491.56, 1,813,992.90 and 710,878.12

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Solution

The fourth proportional to 1,314,491.56, 1,813,992.90 and 710,878.12 is: 981,008.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,491.56 : 1,813,992.90 = 710,878.12 : x
  2. Step 2: Convert to fraction form
    1,314,491.56/1,813,992.90 = 710,878.12/x
  3. Step 3: Cross multiply
    1,314,491.56x = 1,813,992.90 × 710,878.12
  4. Step 4: Simplify right side
    1,314,491.56x = 1,289,527,862,445.35
  5. Step 5: Solve for x
    x = 1,289,527,862,445.35/1,314,491.56
  6. Step 6: Final answer
    x = 981,008.86

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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.