Home / 448,486.12-618,908.34-247,282.12

Finding the Fourth Proportional to 448,486.12, 618,908.34 and 247,282.12

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Solution

The fourth proportional to 448,486.12, 618,908.34 and 247,282.12 is: 341,247.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,486.12 : 618,908.34 = 247,282.12 : x
  2. Step 2: Convert to fraction form
    448,486.12/618,908.34 = 247,282.12/x
  3. Step 3: Cross multiply
    448,486.12x = 618,908.34 × 247,282.12
  4. Step 4: Simplify right side
    448,486.12x = 153,044,966,400.88
  5. Step 5: Solve for x
    x = 153,044,966,400.88/448,486.12
  6. Step 6: Final answer
    x = 341,247.94

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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.