Home / 944,945.60-1,416,511.20-313,534.40

Finding the Fourth Proportional to 944,945.60, 1,416,511.20 and 313,534.40

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Solution

The fourth proportional to 944,945.60, 1,416,511.20 and 313,534.40 is: 470,000.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,945.60 : 1,416,511.20 = 313,534.40 : x
  2. Step 2: Convert to fraction form
    944,945.60/1,416,511.20 = 313,534.40/x
  3. Step 3: Cross multiply
    944,945.60x = 1,416,511.20 × 313,534.40
  4. Step 4: Simplify right side
    944,945.60x = 444,124,989,185.28
  5. Step 5: Solve for x
    x = 444,124,989,185.28/944,945.60
  6. Step 6: Final answer
    x = 470,000.59

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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.