Home / 746,740.10-1,120,114.20-185,774.60

Finding the Fourth Proportional to 746,740.10, 1,120,114.20 and 185,774.60

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Solution

The fourth proportional to 746,740.10, 1,120,114.20 and 185,774.60 is: 278,662.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,740.10 : 1,120,114.20 = 185,774.60 : x
  2. Step 2: Convert to fraction form
    746,740.10/1,120,114.20 = 185,774.60/x
  3. Step 3: Cross multiply
    746,740.10x = 1,120,114.20 × 185,774.60
  4. Step 4: Simplify right side
    746,740.10x = 208,088,767,459.32
  5. Step 5: Solve for x
    x = 208,088,767,459.32/746,740.10
  6. Step 6: Final answer
    x = 278,662.91

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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.