Home / 1,257,254.06-1,735,010.70-684,298.40

Finding the Fourth Proportional to 1,257,254.06, 1,735,010.70 and 684,298.40

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Solution

The fourth proportional to 1,257,254.06, 1,735,010.70 and 684,298.40 is: 944,331.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,254.06 : 1,735,010.70 = 684,298.40 : x
  2. Step 2: Convert to fraction form
    1,257,254.06/1,735,010.70 = 684,298.40/x
  3. Step 3: Cross multiply
    1,257,254.06x = 1,735,010.70 × 684,298.40
  4. Step 4: Simplify right side
    1,257,254.06x = 1,187,265,045,992.88
  5. Step 5: Solve for x
    x = 1,187,265,045,992.88/1,257,254.06
  6. Step 6: Final answer
    x = 944,331.84

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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.