Home / 497,607.36-686,698.20-271,253.04

Finding the Fourth Proportional to 497,607.36, 686,698.20 and 271,253.04

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Solution

The fourth proportional to 497,607.36, 686,698.20 and 271,253.04 is: 374,329.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,607.36 : 686,698.20 = 271,253.04 : x
  2. Step 2: Convert to fraction form
    497,607.36/686,698.20 = 271,253.04/x
  3. Step 3: Cross multiply
    497,607.36x = 686,698.20 × 271,253.04
  4. Step 4: Simplify right side
    497,607.36x = 186,268,974,312.53
  5. Step 5: Solve for x
    x = 186,268,974,312.53/497,607.36
  6. Step 6: Final answer
    x = 374,329.22

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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.