Home / 1,433,628.51-2,150,440.09-423,459.82

Finding the Fourth Proportional to 1,433,628.51, 2,150,440.09 and 423,459.82

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Solution

The fourth proportional to 1,433,628.51, 2,150,440.09 and 423,459.82 is: 635,188.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,628.51 : 2,150,440.09 = 423,459.82 : x
  2. Step 2: Convert to fraction form
    1,433,628.51/2,150,440.09 = 423,459.82/x
  3. Step 3: Cross multiply
    1,433,628.51x = 2,150,440.09 × 423,459.82
  4. Step 4: Simplify right side
    1,433,628.51x = 910,624,973,432.18
  5. Step 5: Solve for x
    x = 910,624,973,432.18/1,433,628.51
  6. Step 6: Final answer
    x = 635,188.94

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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.