Home / 566,885.36-782,301.76-312,236.55

Finding the Fourth Proportional to 566,885.36, 782,301.76 and 312,236.55

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Solution

The fourth proportional to 566,885.36, 782,301.76 and 312,236.55 is: 430,886.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,885.36 : 782,301.76 = 312,236.55 : x
  2. Step 2: Convert to fraction form
    566,885.36/782,301.76 = 312,236.55/x
  3. Step 3: Cross multiply
    566,885.36x = 782,301.76 × 312,236.55
  4. Step 4: Simplify right side
    566,885.36x = 244,263,201,820.74
  5. Step 5: Solve for x
    x = 244,263,201,820.74/566,885.36
  6. Step 6: Final answer
    x = 430,886.42

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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.