Home / 671,416.59-1,007,158.35-191,715.55

Finding the Fourth Proportional to 671,416.59, 1,007,158.35 and 191,715.55

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Solution

The fourth proportional to 671,416.59, 1,007,158.35 and 191,715.55 is: 287,582.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,416.59 : 1,007,158.35 = 191,715.55 : x
  2. Step 2: Convert to fraction form
    671,416.59/1,007,158.35 = 191,715.55/x
  3. Step 3: Cross multiply
    671,416.59x = 1,007,158.35 × 191,715.55
  4. Step 4: Simplify right side
    671,416.59x = 193,087,917,007.34
  5. Step 5: Solve for x
    x = 193,087,917,007.34/671,416.59
  6. Step 6: Final answer
    x = 287,582.88

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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.