Home / 932,107.05-1,286,295.51-524,208.78

Finding the Fourth Proportional to 932,107.05, 1,286,295.51 and 524,208.78

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Solution

The fourth proportional to 932,107.05, 1,286,295.51 and 524,208.78 is: 723,401.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,107.05 : 1,286,295.51 = 524,208.78 : x
  2. Step 2: Convert to fraction form
    932,107.05/1,286,295.51 = 524,208.78/x
  3. Step 3: Cross multiply
    932,107.05x = 1,286,295.51 × 524,208.78
  4. Step 4: Simplify right side
    932,107.05x = 674,287,400,016.58
  5. Step 5: Solve for x
    x = 674,287,400,016.58/932,107.05
  6. Step 6: Final answer
    x = 723,401.24

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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.