Home / 545,818.20-819,956.10-524,928.60

Finding the Fourth Proportional to 545,818.20, 819,956.10 and 524,928.60

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Solution

The fourth proportional to 545,818.20, 819,956.10 and 524,928.60 is: 788,574.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,818.20 : 819,956.10 = 524,928.60 : x
  2. Step 2: Convert to fraction form
    545,818.20/819,956.10 = 524,928.60/x
  3. Step 3: Cross multiply
    545,818.20x = 819,956.10 × 524,928.60
  4. Step 4: Simplify right side
    545,818.20x = 430,418,407,634.46
  5. Step 5: Solve for x
    x = 430,418,407,634.46/545,818.20
  6. Step 6: Final answer
    x = 788,574.67

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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.