Home / 403,031.35-556,262.81-231,064.84

Finding the Fourth Proportional to 403,031.35, 556,262.81 and 231,064.84

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Solution

The fourth proportional to 403,031.35, 556,262.81 and 231,064.84 is: 318,915.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,031.35 : 556,262.81 = 231,064.84 : x
  2. Step 2: Convert to fraction form
    403,031.35/556,262.81 = 231,064.84/x
  3. Step 3: Cross multiply
    403,031.35x = 556,262.81 × 231,064.84
  4. Step 4: Simplify right side
    403,031.35x = 128,532,777,190.60
  5. Step 5: Solve for x
    x = 128,532,777,190.60/403,031.35
  6. Step 6: Final answer
    x = 318,915.08

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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.