Home / 439,827.40-659,741.10-334,851.40

Finding the Fourth Proportional to 439,827.40, 659,741.10 and 334,851.40

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Solution

The fourth proportional to 439,827.40, 659,741.10 and 334,851.40 is: 502,277.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,827.40 : 659,741.10 = 334,851.40 : x
  2. Step 2: Convert to fraction form
    439,827.40/659,741.10 = 334,851.40/x
  3. Step 3: Cross multiply
    439,827.40x = 659,741.10 × 334,851.40
  4. Step 4: Simplify right side
    439,827.40x = 220,915,230,972.54
  5. Step 5: Solve for x
    x = 220,915,230,972.54/439,827.40
  6. Step 6: Final answer
    x = 502,277.10

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1.5x scale

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.