Home / 696,632.33-960,944.35-438,099.21

Finding the Fourth Proportional to 696,632.33, 960,944.35 and 438,099.21

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Solution

The fourth proportional to 696,632.33, 960,944.35 and 438,099.21 is: 604,320.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,632.33 : 960,944.35 = 438,099.21 : x
  2. Step 2: Convert to fraction form
    696,632.33/960,944.35 = 438,099.21/x
  3. Step 3: Cross multiply
    696,632.33x = 960,944.35 × 438,099.21
  4. Step 4: Simplify right side
    696,632.33x = 420,988,957,091.36
  5. Step 5: Solve for x
    x = 420,988,957,091.36/696,632.33
  6. Step 6: Final answer
    x = 604,320.15

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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.