Home / 1,237,991.40-1,856,727.90-607,357.80

Finding the Fourth Proportional to 1,237,991.40, 1,856,727.90 and 607,357.80

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Solution

The fourth proportional to 1,237,991.40, 1,856,727.90 and 607,357.80 is: 910,909.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,991.40 : 1,856,727.90 = 607,357.80 : x
  2. Step 2: Convert to fraction form
    1,237,991.40/1,856,727.90 = 607,357.80/x
  3. Step 3: Cross multiply
    1,237,991.40x = 1,856,727.90 × 607,357.80
  4. Step 4: Simplify right side
    1,237,991.40x = 1,127,698,172,542.62
  5. Step 5: Solve for x
    x = 1,127,698,172,542.62/1,237,991.40
  6. Step 6: Final answer
    x = 910,909.54

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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.