Home / 1,174,439.83-1,620,699.40-691,036.28

Finding the Fourth Proportional to 1,174,439.83, 1,620,699.40 and 691,036.28

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Solution

The fourth proportional to 1,174,439.83, 1,620,699.40 and 691,036.28 is: 953,613.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,439.83 : 1,620,699.40 = 691,036.28 : x
  2. Step 2: Convert to fraction form
    1,174,439.83/1,620,699.40 = 691,036.28/x
  3. Step 3: Cross multiply
    1,174,439.83x = 1,620,699.40 × 691,036.28
  4. Step 4: Simplify right side
    1,174,439.83x = 1,119,962,084,374.23
  5. Step 5: Solve for x
    x = 1,119,962,084,374.23/1,174,439.83
  6. Step 6: Final answer
    x = 953,613.85

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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.