Home / 566,723.04-782,077.72-312,073.60

Finding the Fourth Proportional to 566,723.04, 782,077.72 and 312,073.60

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Solution

The fourth proportional to 566,723.04, 782,077.72 and 312,073.60 is: 430,661.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,723.04 : 782,077.72 = 312,073.60 : x
  2. Step 2: Convert to fraction form
    566,723.04/782,077.72 = 312,073.60/x
  3. Step 3: Cross multiply
    566,723.04x = 782,077.72 × 312,073.60
  4. Step 4: Simplify right side
    566,723.04x = 244,065,809,560.19
  5. Step 5: Solve for x
    x = 244,065,809,560.19/566,723.04
  6. Step 6: Final answer
    x = 430,661.53

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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.