Home / 1,538,721.70-2,308,082.55-416,790.70

Finding the Fourth Proportional to 1,538,721.70, 2,308,082.55 and 416,790.70

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Solution

The fourth proportional to 1,538,721.70, 2,308,082.55 and 416,790.70 is: 625,186.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,721.70 : 2,308,082.55 = 416,790.70 : x
  2. Step 2: Convert to fraction form
    1,538,721.70/2,308,082.55 = 416,790.70/x
  3. Step 3: Cross multiply
    1,538,721.70x = 2,308,082.55 × 416,790.70
  4. Step 4: Simplify right side
    1,538,721.70x = 961,987,341,672.29
  5. Step 5: Solve for x
    x = 961,987,341,672.29/1,538,721.70
  6. Step 6: Final answer
    x = 625,186.05

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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.