Home / 566,867.34-782,240.99-312,218.51

Finding the Fourth Proportional to 566,867.34, 782,240.99 and 312,218.51

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Solution

The fourth proportional to 566,867.34, 782,240.99 and 312,218.51 is: 430,841.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,867.34 : 782,240.99 = 312,218.51 : x
  2. Step 2: Convert to fraction form
    566,867.34/782,240.99 = 312,218.51/x
  3. Step 3: Cross multiply
    566,867.34x = 782,240.99 × 312,218.51
  4. Step 4: Simplify right side
    566,867.34x = 244,230,110,886.43
  5. Step 5: Solve for x
    x = 244,230,110,886.43/566,867.34
  6. Step 6: Final answer
    x = 430,841.74

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Double scale
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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.