Home / 1,257,564.39-1,886,624.93-458,843.64

Finding the Fourth Proportional to 1,257,564.39, 1,886,624.93 and 458,843.64

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Solution

The fourth proportional to 1,257,564.39, 1,886,624.93 and 458,843.64 is: 688,367.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,564.39 : 1,886,624.93 = 458,843.64 : x
  2. Step 2: Convert to fraction form
    1,257,564.39/1,886,624.93 = 458,843.64/x
  3. Step 3: Cross multiply
    1,257,564.39x = 1,886,624.93 × 458,843.64
  4. Step 4: Simplify right side
    1,257,564.39x = 865,665,847,901.73
  5. Step 5: Solve for x
    x = 865,665,847,901.73/1,257,564.39
  6. Step 6: Final answer
    x = 688,367.02

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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.