Home / 1,246,711.86-1,870,173.90-393,555.26

Finding the Fourth Proportional to 1,246,711.86, 1,870,173.90 and 393,555.26

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Solution

The fourth proportional to 1,246,711.86, 1,870,173.90 and 393,555.26 is: 590,366.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,711.86 : 1,870,173.90 = 393,555.26 : x
  2. Step 2: Convert to fraction form
    1,246,711.86/1,870,173.90 = 393,555.26/x
  3. Step 3: Cross multiply
    1,246,711.86x = 1,870,173.90 × 393,555.26
  4. Step 4: Simplify right side
    1,246,711.86x = 736,016,780,135.15
  5. Step 5: Solve for x
    x = 736,016,780,135.15/1,246,711.86
  6. Step 6: Final answer
    x = 590,366.39

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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.