Home / 566,730.06-782,070.39-312,082.62

Finding the Fourth Proportional to 566,730.06, 782,070.39 and 312,082.62

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Solution

The fourth proportional to 566,730.06, 782,070.39 and 312,082.62 is: 430,664.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,730.06 : 782,070.39 = 312,082.62 : x
  2. Step 2: Convert to fraction form
    566,730.06/782,070.39 = 312,082.62/x
  3. Step 3: Cross multiply
    566,730.06x = 782,070.39 × 312,082.62
  4. Step 4: Simplify right side
    566,730.06x = 244,070,576,335.62
  5. Step 5: Solve for x
    x = 244,070,576,335.62/566,730.06
  6. Step 6: Final answer
    x = 430,664.60

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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.