Home / 1,257,829.90-1,735,836.47-684,901.51

Finding the Fourth Proportional to 1,257,829.90, 1,735,836.47 and 684,901.51

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Solution

The fourth proportional to 1,257,829.90, 1,735,836.47 and 684,901.51 is: 945,181.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,829.90 : 1,735,836.47 = 684,901.51 : x
  2. Step 2: Convert to fraction form
    1,257,829.90/1,735,836.47 = 684,901.51/x
  3. Step 3: Cross multiply
    1,257,829.90x = 1,735,836.47 × 684,901.51
  4. Step 4: Simplify right side
    1,257,829.90x = 1,188,877,019,416.07
  5. Step 5: Solve for x
    x = 1,188,877,019,416.07/1,257,829.90
  6. Step 6: Final answer
    x = 945,181.08

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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.