Home / 993,416.87-1,371,104.22-563,736.98

Finding the Fourth Proportional to 993,416.87, 1,371,104.22 and 563,736.98

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Solution

The fourth proportional to 993,416.87, 1,371,104.22 and 563,736.98 is: 778,064.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,416.87 : 1,371,104.22 = 563,736.98 : x
  2. Step 2: Convert to fraction form
    993,416.87/1,371,104.22 = 563,736.98/x
  3. Step 3: Cross multiply
    993,416.87x = 1,371,104.22 × 563,736.98
  4. Step 4: Simplify right side
    993,416.87x = 772,942,145,392.53
  5. Step 5: Solve for x
    x = 772,942,145,392.53/993,416.87
  6. Step 6: Final answer
    x = 778,064.25

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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.