Home / 1,581,695.51-2,372,608.88-459,764.51

Finding the Fourth Proportional to 1,581,695.51, 2,372,608.88 and 459,764.51

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Solution

The fourth proportional to 1,581,695.51, 2,372,608.88 and 459,764.51 is: 689,665.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,695.51 : 2,372,608.88 = 459,764.51 : x
  2. Step 2: Convert to fraction form
    1,581,695.51/2,372,608.88 = 459,764.51/x
  3. Step 3: Cross multiply
    1,581,695.51x = 2,372,608.88 × 459,764.51
  4. Step 4: Simplify right side
    1,581,695.51x = 1,090,841,359,134.85
  5. Step 5: Solve for x
    x = 1,090,841,359,134.85/1,581,695.51
  6. Step 6: Final answer
    x = 689,665.84

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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.