Home / 1,174,362.52-1,620,566.04-665,068.56

Finding the Fourth Proportional to 1,174,362.52, 1,620,566.04 and 665,068.56

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Solution

The fourth proportional to 1,174,362.52, 1,620,566.04 and 665,068.56 is: 917,763.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,362.52 : 1,620,566.04 = 665,068.56 : x
  2. Step 2: Convert to fraction form
    1,174,362.52/1,620,566.04 = 665,068.56/x
  3. Step 3: Cross multiply
    1,174,362.52x = 1,620,566.04 × 665,068.56
  4. Step 4: Simplify right side
    1,174,362.52x = 1,077,787,522,607.70
  5. Step 5: Solve for x
    x = 1,077,787,522,607.70/1,174,362.52
  6. Step 6: Final answer
    x = 917,763.90

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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.