Home / 866,196.59-1,298,971.28-297,416.21

Finding the Fourth Proportional to 866,196.59, 1,298,971.28 and 297,416.21

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Solution

The fourth proportional to 866,196.59, 1,298,971.28 and 297,416.21 is: 446,013.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,196.59 : 1,298,971.28 = 297,416.21 : x
  2. Step 2: Convert to fraction form
    866,196.59/1,298,971.28 = 297,416.21/x
  3. Step 3: Cross multiply
    866,196.59x = 1,298,971.28 × 297,416.21
  4. Step 4: Simplify right side
    866,196.59x = 386,335,109,245.13
  5. Step 5: Solve for x
    x = 386,335,109,245.13/866,196.59
  6. Step 6: Final answer
    x = 446,013.20

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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.