Home / 697,151.60-1,045,705.80-198,515.60

Finding the Fourth Proportional to 697,151.60, 1,045,705.80 and 198,515.60

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Solution

The fourth proportional to 697,151.60, 1,045,705.80 and 198,515.60 is: 297,767.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,151.60 : 1,045,705.80 = 198,515.60 : x
  2. Step 2: Convert to fraction form
    697,151.60/1,045,705.80 = 198,515.60/x
  3. Step 3: Cross multiply
    697,151.60x = 1,045,705.80 × 198,515.60
  4. Step 4: Simplify right side
    697,151.60x = 207,588,914,310.48
  5. Step 5: Solve for x
    x = 207,588,914,310.48/697,151.60
  6. Step 6: Final answer
    x = 297,767.25

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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.