Home / 711,990.02-1,067,985.84-262,516.16

Finding the Fourth Proportional to 711,990.02, 1,067,985.84 and 262,516.16

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Solution

The fourth proportional to 711,990.02, 1,067,985.84 and 262,516.16 is: 393,774.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,990.02 : 1,067,985.84 = 262,516.16 : x
  2. Step 2: Convert to fraction form
    711,990.02/1,067,985.84 = 262,516.16/x
  3. Step 3: Cross multiply
    711,990.02x = 1,067,985.84 × 262,516.16
  4. Step 4: Simplify right side
    711,990.02x = 280,363,536,311.25
  5. Step 5: Solve for x
    x = 280,363,536,311.25/711,990.02
  6. Step 6: Final answer
    x = 393,774.53

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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.