Home / 566,731.56-782,072.46-312,084.12

Finding the Fourth Proportional to 566,731.56, 782,072.46 and 312,084.12

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Solution

The fourth proportional to 566,731.56, 782,072.46 and 312,084.12 is: 430,666.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,731.56 : 782,072.46 = 312,084.12 : x
  2. Step 2: Convert to fraction form
    566,731.56/782,072.46 = 312,084.12/x
  3. Step 3: Cross multiply
    566,731.56x = 782,072.46 × 312,084.12
  4. Step 4: Simplify right side
    566,731.56x = 244,072,395,455.34
  5. Step 5: Solve for x
    x = 244,072,395,455.34/566,731.56
  6. Step 6: Final answer
    x = 430,666.67

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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.