Home / 1,257,439.37-1,886,293.35-537,855.51

Finding the Fourth Proportional to 1,257,439.37, 1,886,293.35 and 537,855.51

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Solution

The fourth proportional to 1,257,439.37, 1,886,293.35 and 537,855.51 is: 806,840.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,439.37 : 1,886,293.35 = 537,855.51 : x
  2. Step 2: Convert to fraction form
    1,257,439.37/1,886,293.35 = 537,855.51/x
  3. Step 3: Cross multiply
    1,257,439.37x = 1,886,293.35 × 537,855.51
  4. Step 4: Simplify right side
    1,257,439.37x = 1,014,553,271,773.86
  5. Step 5: Solve for x
    x = 1,014,553,271,773.86/1,257,439.37
  6. Step 6: Final answer
    x = 806,840.71

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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.