Home / 661,330.91-992,438.19-240,606.79

Finding the Fourth Proportional to 661,330.91, 992,438.19 and 240,606.79

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Solution

The fourth proportional to 661,330.91, 992,438.19 and 240,606.79 is: 361,070.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,330.91 : 992,438.19 = 240,606.79 : x
  2. Step 2: Convert to fraction form
    661,330.91/992,438.19 = 240,606.79/x
  3. Step 3: Cross multiply
    661,330.91x = 992,438.19 × 240,606.79
  4. Step 4: Simplify right side
    661,330.91x = 238,787,364,688.22
  5. Step 5: Solve for x
    x = 238,787,364,688.22/661,330.91
  6. Step 6: Final answer
    x = 361,070.93

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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.