Home / 696,044.07-960,620.31-390,202.92

Finding the Fourth Proportional to 696,044.07, 960,620.31 and 390,202.92

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Solution

The fourth proportional to 696,044.07, 960,620.31 and 390,202.92 is: 538,524.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,044.07 : 960,620.31 = 390,202.92 : x
  2. Step 2: Convert to fraction form
    696,044.07/960,620.31 = 390,202.92/x
  3. Step 3: Cross multiply
    696,044.07x = 960,620.31 × 390,202.92
  4. Step 4: Simplify right side
    696,044.07x = 374,836,849,973.31
  5. Step 5: Solve for x
    x = 374,836,849,973.31/696,044.07
  6. Step 6: Final answer
    x = 538,524.59

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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.