Home / 497,429.04-686,466.64-271,089.12

Finding the Fourth Proportional to 497,429.04, 686,466.64 and 271,089.12

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Solution

The fourth proportional to 497,429.04, 686,466.64 and 271,089.12 is: 374,110.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,429.04 : 686,466.64 = 271,089.12 : x
  2. Step 2: Convert to fraction form
    497,429.04/686,466.64 = 271,089.12/x
  3. Step 3: Cross multiply
    497,429.04x = 686,466.64 × 271,089.12
  4. Step 4: Simplify right side
    497,429.04x = 186,093,637,346.96
  5. Step 5: Solve for x
    x = 186,093,637,346.96/497,429.04
  6. Step 6: Final answer
    x = 374,110.92

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1.5x scale

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.