Home / 1,299,259.77-1,949,221.82-540,849.07

Finding the Fourth Proportional to 1,299,259.77, 1,949,221.82 and 540,849.07

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Solution

The fourth proportional to 1,299,259.77, 1,949,221.82 and 540,849.07 is: 811,411.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,259.77 : 1,949,221.82 = 540,849.07 : x
  2. Step 2: Convert to fraction form
    1,299,259.77/1,949,221.82 = 540,849.07/x
  3. Step 3: Cross multiply
    1,299,259.77x = 1,949,221.82 × 540,849.07
  4. Step 4: Simplify right side
    1,299,259.77x = 1,054,234,808,570.71
  5. Step 5: Solve for x
    x = 1,054,234,808,570.71/1,299,259.77
  6. Step 6: Final answer
    x = 811,411.88

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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.