Home / 566,864.34-782,236.85-312,215.51

Finding the Fourth Proportional to 566,864.34, 782,236.85 and 312,215.51

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Solution

The fourth proportional to 566,864.34, 782,236.85 and 312,215.51 is: 430,837.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,864.34 : 782,236.85 = 312,215.51 : x
  2. Step 2: Convert to fraction form
    566,864.34/782,236.85 = 312,215.51/x
  3. Step 3: Cross multiply
    566,864.34x = 782,236.85 × 312,215.51
  4. Step 4: Simplify right side
    566,864.34x = 244,226,471,591.28
  5. Step 5: Solve for x
    x = 244,226,471,591.28/566,864.34
  6. Step 6: Final answer
    x = 430,837.60

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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.