Home / 837,051.40-1,255,577.10-443,835.40

Finding the Fourth Proportional to 837,051.40, 1,255,577.10 and 443,835.40

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Solution

The fourth proportional to 837,051.40, 1,255,577.10 and 443,835.40 is: 665,753.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,051.40 : 1,255,577.10 = 443,835.40 : x
  2. Step 2: Convert to fraction form
    837,051.40/1,255,577.10 = 443,835.40/x
  3. Step 3: Cross multiply
    837,051.40x = 1,255,577.10 × 443,835.40
  4. Step 4: Simplify right side
    837,051.40x = 557,269,564,409.34
  5. Step 5: Solve for x
    x = 557,269,564,409.34/837,051.40
  6. Step 6: Final answer
    x = 665,753.10

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Double scale
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Similar ratio
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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.