Home / 911,298.96-1,257,604.25-503,399.16

Finding the Fourth Proportional to 911,298.96, 1,257,604.25 and 503,399.16

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Solution

The fourth proportional to 911,298.96, 1,257,604.25 and 503,399.16 is: 694,697.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,298.96 : 1,257,604.25 = 503,399.16 : x
  2. Step 2: Convert to fraction form
    911,298.96/1,257,604.25 = 503,399.16/x
  3. Step 3: Cross multiply
    911,298.96x = 1,257,604.25 × 503,399.16
  4. Step 4: Simplify right side
    911,298.96x = 633,076,920,545.43
  5. Step 5: Solve for x
    x = 633,076,920,545.43/911,298.96
  6. Step 6: Final answer
    x = 694,697.29

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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.