Home / 1,124,207.96-1,686,333.90-413,870.36

Finding the Fourth Proportional to 1,124,207.96, 1,686,333.90 and 413,870.36

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Solution

The fourth proportional to 1,124,207.96, 1,686,333.90 and 413,870.36 is: 620,813.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,207.96 : 1,686,333.90 = 413,870.36 : x
  2. Step 2: Convert to fraction form
    1,124,207.96/1,686,333.90 = 413,870.36/x
  3. Step 3: Cross multiply
    1,124,207.96x = 1,686,333.90 × 413,870.36
  4. Step 4: Simplify right side
    1,124,207.96x = 697,923,618,273.20
  5. Step 5: Solve for x
    x = 697,923,618,273.20/1,124,207.96
  6. Step 6: Final answer
    x = 620,813.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.