Home / 853,089.38-1,176,722.65-648,692.20

Finding the Fourth Proportional to 853,089.38, 1,176,722.65 and 648,692.20

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Solution

The fourth proportional to 853,089.38, 1,176,722.65 and 648,692.20 is: 894,784.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,089.38 : 1,176,722.65 = 648,692.20 : x
  2. Step 2: Convert to fraction form
    853,089.38/1,176,722.65 = 648,692.20/x
  3. Step 3: Cross multiply
    853,089.38x = 1,176,722.65 × 648,692.20
  4. Step 4: Simplify right side
    853,089.38x = 763,330,804,618.33
  5. Step 5: Solve for x
    x = 763,330,804,618.33/853,089.38
  6. Step 6: Final answer
    x = 894,784.09

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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.