Home / 1,235,810.10-1,853,715.15-394,446.90

Finding the Fourth Proportional to 1,235,810.10, 1,853,715.15 and 394,446.90

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Solution

The fourth proportional to 1,235,810.10, 1,853,715.15 and 394,446.90 is: 591,670.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,810.10 : 1,853,715.15 = 394,446.90 : x
  2. Step 2: Convert to fraction form
    1,235,810.10/1,853,715.15 = 394,446.90/x
  3. Step 3: Cross multiply
    1,235,810.10x = 1,853,715.15 × 394,446.90
  4. Step 4: Simplify right side
    1,235,810.10x = 731,192,194,400.54
  5. Step 5: Solve for x
    x = 731,192,194,400.54/1,235,810.10
  6. Step 6: Final answer
    x = 591,670.35

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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.