Home / 527,829.48-791,733.09-128,472.48

Finding the Fourth Proportional to 527,829.48, 791,733.09 and 128,472.48

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Solution

The fourth proportional to 527,829.48, 791,733.09 and 128,472.48 is: 192,706.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,829.48 : 791,733.09 = 128,472.48 : x
  2. Step 2: Convert to fraction form
    527,829.48/791,733.09 = 128,472.48/x
  3. Step 3: Cross multiply
    527,829.48x = 791,733.09 × 128,472.48
  4. Step 4: Simplify right side
    527,829.48x = 101,715,913,570.36
  5. Step 5: Solve for x
    x = 101,715,913,570.36/527,829.48
  6. Step 6: Final answer
    x = 192,706.01

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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.