Home / 1,257,602.31-1,735,436.75-684,644.49

Finding the Fourth Proportional to 1,257,602.31, 1,735,436.75 and 684,644.49

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Solution

The fourth proportional to 1,257,602.31, 1,735,436.75 and 684,644.49 is: 944,779.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,602.31 : 1,735,436.75 = 684,644.49 : x
  2. Step 2: Convert to fraction form
    1,257,602.31/1,735,436.75 = 684,644.49/x
  3. Step 3: Cross multiply
    1,257,602.31x = 1,735,436.75 × 684,644.49
  4. Step 4: Simplify right side
    1,257,602.31x = 1,188,157,205,207.79
  5. Step 5: Solve for x
    x = 1,188,157,205,207.79/1,257,602.31
  6. Step 6: Final answer
    x = 944,779.76

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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.