Home / 854,386.11-1,281,773.57-454,816.35

Finding the Fourth Proportional to 854,386.11, 1,281,773.57 and 454,816.35

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Solution

The fourth proportional to 854,386.11, 1,281,773.57 and 454,816.35 is: 682,328.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,386.11 : 1,281,773.57 = 454,816.35 : x
  2. Step 2: Convert to fraction form
    854,386.11/1,281,773.57 = 454,816.35/x
  3. Step 3: Cross multiply
    854,386.11x = 1,281,773.57 × 454,816.35
  4. Step 4: Simplify right side
    854,386.11x = 582,971,574,359.79
  5. Step 5: Solve for x
    x = 582,971,574,359.79/854,386.11
  6. Step 6: Final answer
    x = 682,328.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.