Home / 798,601.70-1,197,902.55-266,140.10

Finding the Fourth Proportional to 798,601.70, 1,197,902.55 and 266,140.10

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Solution

The fourth proportional to 798,601.70, 1,197,902.55 and 266,140.10 is: 399,210.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,601.70 : 1,197,902.55 = 266,140.10 : x
  2. Step 2: Convert to fraction form
    798,601.70/1,197,902.55 = 266,140.10/x
  3. Step 3: Cross multiply
    798,601.70x = 1,197,902.55 × 266,140.10
  4. Step 4: Simplify right side
    798,601.70x = 318,809,904,447.26
  5. Step 5: Solve for x
    x = 318,809,904,447.26/798,601.70
  6. Step 6: Final answer
    x = 399,210.15

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Double scale
Find fourth proportional to 798,602.70, 1,197,904.05 and 266,141.10
Similar ratio
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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.