Home / 704,799.21-972,622.89-382,509.33

Finding the Fourth Proportional to 704,799.21, 972,622.89 and 382,509.33

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Solution

The fourth proportional to 704,799.21, 972,622.89 and 382,509.33 is: 527,862.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,799.21 : 972,622.89 = 382,509.33 : x
  2. Step 2: Convert to fraction form
    704,799.21/972,622.89 = 382,509.33/x
  3. Step 3: Cross multiply
    704,799.21x = 972,622.89 × 382,509.33
  4. Step 4: Simplify right side
    704,799.21x = 372,037,329,996.56
  5. Step 5: Solve for x
    x = 372,037,329,996.56/704,799.21
  6. Step 6: Final answer
    x = 527,862.86

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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.