Home / 443,459.36-611,972.88-242,256.80

Finding the Fourth Proportional to 443,459.36, 611,972.88 and 242,256.80

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Solution

The fourth proportional to 443,459.36, 611,972.88 and 242,256.80 is: 334,313.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,459.36 : 611,972.88 = 242,256.80 : x
  2. Step 2: Convert to fraction form
    443,459.36/611,972.88 = 242,256.80/x
  3. Step 3: Cross multiply
    443,459.36x = 611,972.88 × 242,256.80
  4. Step 4: Simplify right side
    443,459.36x = 148,254,591,595.58
  5. Step 5: Solve for x
    x = 148,254,591,595.58/443,459.36
  6. Step 6: Final answer
    x = 334,313.82

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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.