Home / 1,207,123.56-1,810,965.64-354,160.76

Finding the Fourth Proportional to 1,207,123.56, 1,810,965.64 and 354,160.76

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Solution

The fourth proportional to 1,207,123.56, 1,810,965.64 and 354,160.76 is: 531,323.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,123.56 : 1,810,965.64 = 354,160.76 : x
  2. Step 2: Convert to fraction form
    1,207,123.56/1,810,965.64 = 354,160.76/x
  3. Step 3: Cross multiply
    1,207,123.56x = 1,810,965.64 × 354,160.76
  4. Step 4: Simplify right side
    1,207,123.56x = 641,372,967,396.29
  5. Step 5: Solve for x
    x = 641,372,967,396.29/1,207,123.56
  6. Step 6: Final answer
    x = 531,323.38

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1.5x scale

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.