Home / 739,789.42-1,021,614.64-699,488.00

Finding the Fourth Proportional to 739,789.42, 1,021,614.64 and 699,488.00

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Solution

The fourth proportional to 739,789.42, 1,021,614.64 and 699,488.00 is: 965,960.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,789.42 : 1,021,614.64 = 699,488.00 : x
  2. Step 2: Convert to fraction form
    739,789.42/1,021,614.64 = 699,488.00/x
  3. Step 3: Cross multiply
    739,789.42x = 1,021,614.64 × 699,488.00
  4. Step 4: Simplify right side
    739,789.42x = 714,607,182,109.64
  5. Step 5: Solve for x
    x = 714,607,182,109.64/739,789.42
  6. Step 6: Final answer
    x = 965,960.27

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1.5x scale

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.