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Finding the Fourth Proportional to 1,294,935.40, 1,942,403.10 and 796,580.20

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Solution

The fourth proportional to 1,294,935.40, 1,942,403.10 and 796,580.20 is: 1,194,870.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,935.40 : 1,942,403.10 = 796,580.20 : x
  2. Step 2: Convert to fraction form
    1,294,935.40/1,942,403.10 = 796,580.20/x
  3. Step 3: Cross multiply
    1,294,935.40x = 1,942,403.10 × 796,580.20
  4. Step 4: Simplify right side
    1,294,935.40x = 1,547,279,849,878.62
  5. Step 5: Solve for x
    x = 1,547,279,849,878.62/1,294,935.40
  6. Step 6: Final answer
    x = 1,194,870.30

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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.