Home / 1,021,909.08-1,410,167.05-613,768.40

Finding the Fourth Proportional to 1,021,909.08, 1,410,167.05 and 613,768.40

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Solution

The fourth proportional to 1,021,909.08, 1,410,167.05 and 613,768.40 is: 846,959.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,909.08 : 1,410,167.05 = 613,768.40 : x
  2. Step 2: Convert to fraction form
    1,021,909.08/1,410,167.05 = 613,768.40/x
  3. Step 3: Cross multiply
    1,021,909.08x = 1,410,167.05 × 613,768.40
  4. Step 4: Simplify right side
    1,021,909.08x = 865,515,974,011.22
  5. Step 5: Solve for x
    x = 865,515,974,011.22/1,021,909.08
  6. Step 6: Final answer
    x = 846,959.86

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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.