Home / 910,700.20-1,366,116.60-349,734.70

Finding the Fourth Proportional to 910,700.20, 1,366,116.60 and 349,734.70

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Solution

The fourth proportional to 910,700.20, 1,366,116.60 and 349,734.70 is: 524,627.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,700.20 : 1,366,116.60 = 349,734.70 : x
  2. Step 2: Convert to fraction form
    910,700.20/1,366,116.60 = 349,734.70/x
  3. Step 3: Cross multiply
    910,700.20x = 1,366,116.60 × 349,734.70
  4. Step 4: Simplify right side
    910,700.20x = 477,778,379,266.02
  5. Step 5: Solve for x
    x = 477,778,379,266.02/910,700.20
  6. Step 6: Final answer
    x = 524,627.51

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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.