Home / 406,888.81-561,438.30-271,125.52

Finding the Fourth Proportional to 406,888.81, 561,438.30 and 271,125.52

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Solution

The fourth proportional to 406,888.81, 561,438.30 and 271,125.52 is: 374,107.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,888.81 : 561,438.30 = 271,125.52 : x
  2. Step 2: Convert to fraction form
    406,888.81/561,438.30 = 271,125.52/x
  3. Step 3: Cross multiply
    406,888.81x = 561,438.30 × 271,125.52
  4. Step 4: Simplify right side
    406,888.81x = 152,220,249,631.82
  5. Step 5: Solve for x
    x = 152,220,249,631.82/406,888.81
  6. Step 6: Final answer
    x = 374,107.73

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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.