Home / 1,343,308.95-1,854,997.74-853,436.70

Finding the Fourth Proportional to 1,343,308.95, 1,854,997.74 and 853,436.70

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Solution

The fourth proportional to 1,343,308.95, 1,854,997.74 and 853,436.70 is: 1,178,524.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,308.95 : 1,854,997.74 = 853,436.70 : x
  2. Step 2: Convert to fraction form
    1,343,308.95/1,854,997.74 = 853,436.70/x
  3. Step 3: Cross multiply
    1,343,308.95x = 1,854,997.74 × 853,436.70
  4. Step 4: Simplify right side
    1,343,308.95x = 1,583,123,149,733.06
  5. Step 5: Solve for x
    x = 1,583,123,149,733.06/1,343,308.95
  6. Step 6: Final answer
    x = 1,178,524.98

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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.