Home / 762,616.67-1,053,803.39-555,524.51

Finding the Fourth Proportional to 762,616.67, 1,053,803.39 and 555,524.51

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Solution

The fourth proportional to 762,616.67, 1,053,803.39 and 555,524.51 is: 767,638.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,616.67 : 1,053,803.39 = 555,524.51 : x
  2. Step 2: Convert to fraction form
    762,616.67/1,053,803.39 = 555,524.51/x
  3. Step 3: Cross multiply
    762,616.67x = 1,053,803.39 × 555,524.51
  4. Step 4: Simplify right side
    762,616.67x = 585,413,603,819.45
  5. Step 5: Solve for x
    x = 585,413,603,819.45/762,616.67
  6. Step 6: Final answer
    x = 767,638.09

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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.