Home / 1,257,507.54-1,735,360.38-684,551.88

Finding the Fourth Proportional to 1,257,507.54, 1,735,360.38 and 684,551.88

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Solution

The fourth proportional to 1,257,507.54, 1,735,360.38 and 684,551.88 is: 944,681.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,507.54 : 1,735,360.38 = 684,551.88 : x
  2. Step 2: Convert to fraction form
    1,257,507.54/1,735,360.38 = 684,551.88/x
  3. Step 3: Cross multiply
    1,257,507.54x = 1,735,360.38 × 684,551.88
  4. Step 4: Simplify right side
    1,257,507.54x = 1,187,944,210,606.51
  5. Step 5: Solve for x
    x = 1,187,944,210,606.51/1,257,507.54
  6. Step 6: Final answer
    x = 944,681.58

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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.