Home / 527,965.79-729,194.18-357,904.67

Finding the Fourth Proportional to 527,965.79, 729,194.18 and 357,904.67

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Solution

The fourth proportional to 527,965.79, 729,194.18 and 357,904.67 is: 494,316.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,965.79 : 729,194.18 = 357,904.67 : x
  2. Step 2: Convert to fraction form
    527,965.79/729,194.18 = 357,904.67/x
  3. Step 3: Cross multiply
    527,965.79x = 729,194.18 × 357,904.67
  4. Step 4: Simplify right side
    527,965.79x = 260,981,996,923.33
  5. Step 5: Solve for x
    x = 260,981,996,923.33/527,965.79
  6. Step 6: Final answer
    x = 494,316.12

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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.