Home / 847,696.14-1,169,992.56-520,860.30

Finding the Fourth Proportional to 847,696.14, 1,169,992.56 and 520,860.30

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Solution

The fourth proportional to 847,696.14, 1,169,992.56 and 520,860.30 is: 718,892.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,696.14 : 1,169,992.56 = 520,860.30 : x
  2. Step 2: Convert to fraction form
    847,696.14/1,169,992.56 = 520,860.30/x
  3. Step 3: Cross multiply
    847,696.14x = 1,169,992.56 × 520,860.30
  4. Step 4: Simplify right side
    847,696.14x = 609,402,675,799.37
  5. Step 5: Solve for x
    x = 609,402,675,799.37/847,696.14
  6. Step 6: Final answer
    x = 718,892.83

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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.