Home / 866,515.03-1,299,454.23-297,734.76

Finding the Fourth Proportional to 866,515.03, 1,299,454.23 and 297,734.76

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Solution

The fourth proportional to 866,515.03, 1,299,454.23 and 297,734.76 is: 446,492.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,515.03 : 1,299,454.23 = 297,734.76 : x
  2. Step 2: Convert to fraction form
    866,515.03/1,299,454.23 = 297,734.76/x
  3. Step 3: Cross multiply
    866,515.03x = 1,299,454.23 × 297,734.76
  4. Step 4: Simplify right side
    866,515.03x = 386,892,697,652.58
  5. Step 5: Solve for x
    x = 386,892,697,652.58/866,515.03
  6. Step 6: Final answer
    x = 446,492.77

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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.