Home / 1,604,505.60-2,214,078.72-916,174.08

Finding the Fourth Proportional to 1,604,505.60, 2,214,078.72 and 916,174.08

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Solution

The fourth proportional to 1,604,505.60, 2,214,078.72 and 916,174.08 is: 1,264,240.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,604,505.60 : 2,214,078.72 = 916,174.08 : x
  2. Step 2: Convert to fraction form
    1,604,505.60/2,214,078.72 = 916,174.08/x
  3. Step 3: Cross multiply
    1,604,505.60x = 2,214,078.72 × 916,174.08
  4. Step 4: Simplify right side
    1,604,505.60x = 2,028,481,534,343.58
  5. Step 5: Solve for x
    x = 2,028,481,534,343.58/1,604,505.60
  6. Step 6: Final answer
    x = 1,264,240.86

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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.