Home / 318,528.69-439,569.66-175,288.73

Finding the Fourth Proportional to 318,528.69, 439,569.66 and 175,288.73

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Solution

The fourth proportional to 318,528.69, 439,569.66 and 175,288.73 is: 241,898.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,528.69 : 439,569.66 = 175,288.73 : x
  2. Step 2: Convert to fraction form
    318,528.69/439,569.66 = 175,288.73/x
  3. Step 3: Cross multiply
    318,528.69x = 439,569.66 × 175,288.73
  4. Step 4: Simplify right side
    318,528.69x = 77,051,607,447.93
  5. Step 5: Solve for x
    x = 77,051,607,447.93/318,528.69
  6. Step 6: Final answer
    x = 241,898.48

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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.