Home / 1,275,295.05-1,759,895.51-702,322.92

Finding the Fourth Proportional to 1,275,295.05, 1,759,895.51 and 702,322.92

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Solution

The fourth proportional to 1,275,295.05, 1,759,895.51 and 702,322.92 is: 969,199.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,295.05 : 1,759,895.51 = 702,322.92 : x
  2. Step 2: Convert to fraction form
    1,275,295.05/1,759,895.51 = 702,322.92/x
  3. Step 3: Cross multiply
    1,275,295.05x = 1,759,895.51 × 702,322.92
  4. Step 4: Simplify right side
    1,275,295.05x = 1,236,014,949,966.47
  5. Step 5: Solve for x
    x = 1,236,014,949,966.47/1,275,295.05
  6. Step 6: Final answer
    x = 969,199.21

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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.