Home / 566,885.22-782,301.56-312,236.40

Finding the Fourth Proportional to 566,885.22, 782,301.56 and 312,236.40

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Solution

The fourth proportional to 566,885.22, 782,301.56 and 312,236.40 is: 430,886.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,885.22 : 782,301.56 = 312,236.40 : x
  2. Step 2: Convert to fraction form
    566,885.22/782,301.56 = 312,236.40/x
  3. Step 3: Cross multiply
    566,885.22x = 782,301.56 × 312,236.40
  4. Step 4: Simplify right side
    566,885.22x = 244,263,025,937.56
  5. Step 5: Solve for x
    x = 244,263,025,937.56/566,885.22
  6. Step 6: Final answer
    x = 430,886.22

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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.