Home / 602,718.53-831,781.74-330,784.04

Finding the Fourth Proportional to 602,718.53, 831,781.74 and 330,784.04

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Solution

The fourth proportional to 602,718.53, 831,781.74 and 330,784.04 is: 456,498.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,718.53 : 831,781.74 = 330,784.04 : x
  2. Step 2: Convert to fraction form
    602,718.53/831,781.74 = 330,784.04/x
  3. Step 3: Cross multiply
    602,718.53x = 831,781.74 × 330,784.04
  4. Step 4: Simplify right side
    602,718.53x = 275,140,124,355.43
  5. Step 5: Solve for x
    x = 275,140,124,355.43/602,718.53
  6. Step 6: Final answer
    x = 456,498.53

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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.