Home / 448,403.06-618,800.45-247,206.26

Finding the Fourth Proportional to 448,403.06, 618,800.45 and 247,206.26

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Solution

The fourth proportional to 448,403.06, 618,800.45 and 247,206.26 is: 341,146.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,403.06 : 618,800.45 = 247,206.26 : x
  2. Step 2: Convert to fraction form
    448,403.06/618,800.45 = 247,206.26/x
  3. Step 3: Cross multiply
    448,403.06x = 618,800.45 × 247,206.26
  4. Step 4: Simplify right side
    448,403.06x = 152,971,344,930.82
  5. Step 5: Solve for x
    x = 152,971,344,930.82/448,403.06
  6. Step 6: Final answer
    x = 341,146.97

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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.