Home / 1,039,402.66-1,434,233.93-580,458.72

Finding the Fourth Proportional to 1,039,402.66, 1,434,233.93 and 580,458.72

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Solution

The fourth proportional to 1,039,402.66, 1,434,233.93 and 580,458.72 is: 800,953.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,402.66 : 1,434,233.93 = 580,458.72 : x
  2. Step 2: Convert to fraction form
    1,039,402.66/1,434,233.93 = 580,458.72/x
  3. Step 3: Cross multiply
    1,039,402.66x = 1,434,233.93 × 580,458.72
  4. Step 4: Simplify right side
    1,039,402.66x = 832,513,586,151.64
  5. Step 5: Solve for x
    x = 832,513,586,151.64/1,039,402.66
  6. Step 6: Final answer
    x = 800,953.87

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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.