Home / 1,302,539.54-1,796,607.14-916,174.40

Finding the Fourth Proportional to 1,302,539.54, 1,796,607.14 and 916,174.40

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Solution

The fourth proportional to 1,302,539.54, 1,796,607.14 and 916,174.40 is: 1,263,689.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,539.54 : 1,796,607.14 = 916,174.40 : x
  2. Step 2: Convert to fraction form
    1,302,539.54/1,796,607.14 = 916,174.40/x
  3. Step 3: Cross multiply
    1,302,539.54x = 1,796,607.14 × 916,174.40
  4. Step 4: Simplify right side
    1,302,539.54x = 1,646,005,454,961.31
  5. Step 5: Solve for x
    x = 1,646,005,454,961.31/1,302,539.54
  6. Step 6: Final answer
    x = 1,263,689.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.