Home / 993,844.32-1,371,521.76-564,137.64

Finding the Fourth Proportional to 993,844.32, 1,371,521.76 and 564,137.64

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Solution

The fourth proportional to 993,844.32, 1,371,521.76 and 564,137.64 is: 778,519.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,844.32 : 1,371,521.76 = 564,137.64 : x
  2. Step 2: Convert to fraction form
    993,844.32/1,371,521.76 = 564,137.64/x
  3. Step 3: Cross multiply
    993,844.32x = 1,371,521.76 × 564,137.64
  4. Step 4: Simplify right side
    993,844.32x = 773,727,048,895.05
  5. Step 5: Solve for x
    x = 773,727,048,895.05/993,844.32
  6. Step 6: Final answer
    x = 778,519.36

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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.