Home / 911,578.57-1,258,037.68-503,680.46

Finding the Fourth Proportional to 911,578.57, 1,258,037.68 and 503,680.46

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Solution

The fourth proportional to 911,578.57, 1,258,037.68 and 503,680.46 is: 695,111.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,578.57 : 1,258,037.68 = 503,680.46 : x
  2. Step 2: Convert to fraction form
    911,578.57/1,258,037.68 = 503,680.46/x
  3. Step 3: Cross multiply
    911,578.57x = 1,258,037.68 × 503,680.46
  4. Step 4: Simplify right side
    911,578.57x = 633,648,997,359.73
  5. Step 5: Solve for x
    x = 633,648,997,359.73/911,578.57
  6. Step 6: Final answer
    x = 695,111.77

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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.