Home / 418,421.58-577,434.33-237,133.86

Finding the Fourth Proportional to 418,421.58, 577,434.33 and 237,133.86

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Solution

The fourth proportional to 418,421.58, 577,434.33 and 237,133.86 is: 327,251.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,421.58 : 577,434.33 = 237,133.86 : x
  2. Step 2: Convert to fraction form
    418,421.58/577,434.33 = 237,133.86/x
  3. Step 3: Cross multiply
    418,421.58x = 577,434.33 × 237,133.86
  4. Step 4: Simplify right side
    418,421.58x = 136,929,231,569.41
  5. Step 5: Solve for x
    x = 136,929,231,569.41/418,421.58
  6. Step 6: Final answer
    x = 327,251.84

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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.