Home / 810,741.22-1,118,788.00-443,211.36

Finding the Fourth Proportional to 810,741.22, 1,118,788.00 and 443,211.36

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Solution

The fourth proportional to 810,741.22, 1,118,788.00 and 443,211.36 is: 611,612.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,741.22 : 1,118,788.00 = 443,211.36 : x
  2. Step 2: Convert to fraction form
    810,741.22/1,118,788.00 = 443,211.36/x
  3. Step 3: Cross multiply
    810,741.22x = 1,118,788.00 × 443,211.36
  4. Step 4: Simplify right side
    810,741.22x = 495,859,553,792.34
  5. Step 5: Solve for x
    x = 495,859,553,792.34/810,741.22
  6. Step 6: Final answer
    x = 611,612.61

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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.