Home / 1,257,440.37-1,886,294.85-537,856.51

Finding the Fourth Proportional to 1,257,440.37, 1,886,294.85 and 537,856.51

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Solution

The fourth proportional to 1,257,440.37, 1,886,294.85 and 537,856.51 is: 806,842.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,440.37 : 1,886,294.85 = 537,856.51 : x
  2. Step 2: Convert to fraction form
    1,257,440.37/1,886,294.85 = 537,856.51/x
  3. Step 3: Cross multiply
    1,257,440.37x = 1,886,294.85 × 537,856.51
  4. Step 4: Simplify right side
    1,257,440.37x = 1,014,555,964,851.97
  5. Step 5: Solve for x
    x = 1,014,555,964,851.97/1,257,440.37
  6. Step 6: Final answer
    x = 806,842.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.