Home / 930,005.82-1,283,364.32-516,569.42

Finding the Fourth Proportional to 930,005.82, 1,283,364.32 and 516,569.42

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Solution

The fourth proportional to 930,005.82, 1,283,364.32 and 516,569.42 is: 712,841.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,005.82 : 1,283,364.32 = 516,569.42 : x
  2. Step 2: Convert to fraction form
    930,005.82/1,283,364.32 = 516,569.42/x
  3. Step 3: Cross multiply
    930,005.82x = 1,283,364.32 × 516,569.42
  4. Step 4: Simplify right side
    930,005.82x = 662,946,753,431.43
  5. Step 5: Solve for x
    x = 662,946,753,431.43/930,005.82
  6. Step 6: Final answer
    x = 712,841.51

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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.