Home / 1,336,705.30-2,005,057.95-805,264.30

Finding the Fourth Proportional to 1,336,705.30, 2,005,057.95 and 805,264.30

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Solution

The fourth proportional to 1,336,705.30, 2,005,057.95 and 805,264.30 is: 1,207,896.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,705.30 : 2,005,057.95 = 805,264.30 : x
  2. Step 2: Convert to fraction form
    1,336,705.30/2,005,057.95 = 805,264.30/x
  3. Step 3: Cross multiply
    1,336,705.30x = 2,005,057.95 × 805,264.30
  4. Step 4: Simplify right side
    1,336,705.30x = 1,614,601,586,566.19
  5. Step 5: Solve for x
    x = 1,614,601,586,566.19/1,336,705.30
  6. Step 6: Final answer
    x = 1,207,896.45

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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.