Home / 806,727.60-1,211,257.80-608,439.60

Finding the Fourth Proportional to 806,727.60, 1,211,257.80 and 608,439.60

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Solution

The fourth proportional to 806,727.60, 1,211,257.80 and 608,439.60 is: 913,539.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,727.60 : 1,211,257.80 = 608,439.60 : x
  2. Step 2: Convert to fraction form
    806,727.60/1,211,257.80 = 608,439.60/x
  3. Step 3: Cross multiply
    806,727.60x = 1,211,257.80 × 608,439.60
  4. Step 4: Simplify right side
    806,727.60x = 736,977,211,328.88
  5. Step 5: Solve for x
    x = 736,977,211,328.88/806,727.60
  6. Step 6: Final answer
    x = 913,539.11

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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.