Home / 1,026,474.52-1,539,612.72-316,311.88

Finding the Fourth Proportional to 1,026,474.52, 1,539,612.72 and 316,311.88

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Solution

The fourth proportional to 1,026,474.52, 1,539,612.72 and 316,311.88 is: 474,437.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,474.52 : 1,539,612.72 = 316,311.88 : x
  2. Step 2: Convert to fraction form
    1,026,474.52/1,539,612.72 = 316,311.88/x
  3. Step 3: Cross multiply
    1,026,474.52x = 1,539,612.72 × 316,311.88
  4. Step 4: Simplify right side
    1,026,474.52x = 486,997,793,935.11
  5. Step 5: Solve for x
    x = 486,997,793,935.11/1,026,474.52
  6. Step 6: Final answer
    x = 474,437.29

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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.