Home / 776,186.11-1,071,135.15-436,654.36

Finding the Fourth Proportional to 776,186.11, 1,071,135.15 and 436,654.36

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Solution

The fourth proportional to 776,186.11, 1,071,135.15 and 436,654.36 is: 602,582.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,186.11 : 1,071,135.15 = 436,654.36 : x
  2. Step 2: Convert to fraction form
    776,186.11/1,071,135.15 = 436,654.36/x
  3. Step 3: Cross multiply
    776,186.11x = 1,071,135.15 × 436,654.36
  4. Step 4: Simplify right side
    776,186.11x = 467,715,833,396.75
  5. Step 5: Solve for x
    x = 467,715,833,396.75/776,186.11
  6. Step 6: Final answer
    x = 602,582.07

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.