Home / 1,280,637.13-1,767,284.71-699,871.81

Finding the Fourth Proportional to 1,280,637.13, 1,767,284.71 and 699,871.81

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Solution

The fourth proportional to 1,280,637.13, 1,767,284.71 and 699,871.81 is: 965,826.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,637.13 : 1,767,284.71 = 699,871.81 : x
  2. Step 2: Convert to fraction form
    1,280,637.13/1,767,284.71 = 699,871.81/x
  3. Step 3: Cross multiply
    1,280,637.13x = 1,767,284.71 × 699,871.81
  4. Step 4: Simplify right side
    1,280,637.13x = 1,236,872,748,773.03
  5. Step 5: Solve for x
    x = 1,236,872,748,773.03/1,280,637.13
  6. Step 6: Final answer
    x = 965,826.09

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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.