Home / 566,719.04-782,072.20-312,069.60

Finding the Fourth Proportional to 566,719.04, 782,072.20 and 312,069.60

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Solution

The fourth proportional to 566,719.04, 782,072.20 and 312,069.60 is: 430,656.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,719.04 : 782,072.20 = 312,069.60 : x
  2. Step 2: Convert to fraction form
    566,719.04/782,072.20 = 312,069.60/x
  3. Step 3: Cross multiply
    566,719.04x = 782,072.20 × 312,069.60
  4. Step 4: Simplify right side
    566,719.04x = 244,060,958,625.12
  5. Step 5: Solve for x
    x = 244,060,958,625.12/566,719.04
  6. Step 6: Final answer
    x = 430,656.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.