Home / 525,015.40-786,615.90-243,956.20

Finding the Fourth Proportional to 525,015.40, 786,615.90 and 243,956.20

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Solution

The fourth proportional to 525,015.40, 786,615.90 and 243,956.20 is: 365,512.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,015.40 : 786,615.90 = 243,956.20 : x
  2. Step 2: Convert to fraction form
    525,015.40/786,615.90 = 243,956.20/x
  3. Step 3: Cross multiply
    525,015.40x = 786,615.90 × 243,956.20
  4. Step 4: Simplify right side
    525,015.40x = 191,899,825,823.58
  5. Step 5: Solve for x
    x = 191,899,825,823.58/525,015.40
  6. Step 6: Final answer
    x = 365,512.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.