Home / 1,362,072.17-2,043,108.30-642,246.32

Finding the Fourth Proportional to 1,362,072.17, 2,043,108.30 and 642,246.32

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Solution

The fourth proportional to 1,362,072.17, 2,043,108.30 and 642,246.32 is: 963,369.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,072.17 : 2,043,108.30 = 642,246.32 : x
  2. Step 2: Convert to fraction form
    1,362,072.17/2,043,108.30 = 642,246.32/x
  3. Step 3: Cross multiply
    1,362,072.17x = 2,043,108.30 × 642,246.32
  4. Step 4: Simplify right side
    1,362,072.17x = 1,312,178,787,036.46
  5. Step 5: Solve for x
    x = 1,312,178,787,036.46/1,362,072.17
  6. Step 6: Final answer
    x = 963,369.50

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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.