Home / 911,703.08-1,258,147.14-503,793.56

Finding the Fourth Proportional to 911,703.08, 1,258,147.14 and 503,793.56

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Solution

The fourth proportional to 911,703.08, 1,258,147.14 and 503,793.56 is: 695,233.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,703.08 : 1,258,147.14 = 503,793.56 : x
  2. Step 2: Convert to fraction form
    911,703.08/1,258,147.14 = 503,793.56/x
  3. Step 3: Cross multiply
    911,703.08x = 1,258,147.14 × 503,793.56
  4. Step 4: Simplify right side
    911,703.08x = 633,846,426,664.42
  5. Step 5: Solve for x
    x = 633,846,426,664.42/911,703.08
  6. Step 6: Final answer
    x = 695,233.39

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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.