Home / 1,112,933.46-1,535,848.23-629,488.20

Finding the Fourth Proportional to 1,112,933.46, 1,535,848.23 and 629,488.20

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Solution

The fourth proportional to 1,112,933.46, 1,535,848.23 and 629,488.20 is: 868,693.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,933.46 : 1,535,848.23 = 629,488.20 : x
  2. Step 2: Convert to fraction form
    1,112,933.46/1,535,848.23 = 629,488.20/x
  3. Step 3: Cross multiply
    1,112,933.46x = 1,535,848.23 × 629,488.20
  4. Step 4: Simplify right side
    1,112,933.46x = 966,798,337,775.89
  5. Step 5: Solve for x
    x = 966,798,337,775.89/1,112,933.46
  6. Step 6: Final answer
    x = 868,693.75

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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.