Home / 1,584,217.76-2,186,336.16-905,139.68

Finding the Fourth Proportional to 1,584,217.76, 2,186,336.16 and 905,139.68

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Solution

The fourth proportional to 1,584,217.76, 2,186,336.16 and 905,139.68 is: 1,249,158.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,584,217.76 : 2,186,336.16 = 905,139.68 : x
  2. Step 2: Convert to fraction form
    1,584,217.76/2,186,336.16 = 905,139.68/x
  3. Step 3: Cross multiply
    1,584,217.76x = 2,186,336.16 × 905,139.68
  4. Step 4: Simplify right side
    1,584,217.76x = 1,978,939,612,234.83
  5. Step 5: Solve for x
    x = 1,978,939,612,234.83/1,584,217.76
  6. Step 6: Final answer
    x = 1,249,158.84

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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.