Home / 728,683.70-1,093,025.55-528,062.90

Finding the Fourth Proportional to 728,683.70, 1,093,025.55 and 528,062.90

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Solution

The fourth proportional to 728,683.70, 1,093,025.55 and 528,062.90 is: 792,094.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,683.70 : 1,093,025.55 = 528,062.90 : x
  2. Step 2: Convert to fraction form
    728,683.70/1,093,025.55 = 528,062.90/x
  3. Step 3: Cross multiply
    728,683.70x = 1,093,025.55 × 528,062.90
  4. Step 4: Simplify right side
    728,683.70x = 577,186,241,707.10
  5. Step 5: Solve for x
    x = 577,186,241,707.10/728,683.70
  6. Step 6: Final answer
    x = 792,094.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.