Home / 1,433,711.91-2,150,564.91-423,543.19

Finding the Fourth Proportional to 1,433,711.91, 2,150,564.91 and 423,543.19

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Solution

The fourth proportional to 1,433,711.91, 2,150,564.91 and 423,543.19 is: 635,313.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,711.91 : 2,150,564.91 = 423,543.19 : x
  2. Step 2: Convert to fraction form
    1,433,711.91/2,150,564.91 = 423,543.19/x
  3. Step 3: Cross multiply
    1,433,711.91x = 2,150,564.91 × 423,543.19
  4. Step 4: Simplify right side
    1,433,711.91x = 910,857,122,283.46
  5. Step 5: Solve for x
    x = 910,857,122,283.46/1,433,711.91
  6. Step 6: Final answer
    x = 635,313.91

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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.