Home / 911,683.08-1,258,119.54-503,773.56

Finding the Fourth Proportional to 911,683.08, 1,258,119.54 and 503,773.56

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Solution

The fourth proportional to 911,683.08, 1,258,119.54 and 503,773.56 is: 695,205.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,683.08 : 1,258,119.54 = 503,773.56 : x
  2. Step 2: Convert to fraction form
    911,683.08/1,258,119.54 = 503,773.56/x
  3. Step 3: Cross multiply
    911,683.08x = 1,258,119.54 × 503,773.56
  4. Step 4: Simplify right side
    911,683.08x = 633,807,359,571.36
  5. Step 5: Solve for x
    x = 633,807,359,571.36/911,683.08
  6. Step 6: Final answer
    x = 695,205.79

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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.