Home / 674,020.44-1,011,465.24-434,109.24

Finding the Fourth Proportional to 674,020.44, 1,011,465.24 and 434,109.24

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Solution

The fourth proportional to 674,020.44, 1,011,465.24 and 434,109.24 is: 651,443.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,020.44 : 1,011,465.24 = 434,109.24 : x
  2. Step 2: Convert to fraction form
    674,020.44/1,011,465.24 = 434,109.24/x
  3. Step 3: Cross multiply
    674,020.44x = 1,011,465.24 × 434,109.24
  4. Step 4: Simplify right side
    674,020.44x = 439,086,406,622.82
  5. Step 5: Solve for x
    x = 439,086,406,622.82/674,020.44
  6. Step 6: Final answer
    x = 651,443.76

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Double scale
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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.