Home / 1,408,011.66-2,108,958.93-866,617.74

Finding the Fourth Proportional to 1,408,011.66, 2,108,958.93 and 866,617.74

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Solution

The fourth proportional to 1,408,011.66, 2,108,958.93 and 866,617.74 is: 1,298,044.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,011.66 : 2,108,958.93 = 866,617.74 : x
  2. Step 2: Convert to fraction form
    1,408,011.66/2,108,958.93 = 866,617.74/x
  3. Step 3: Cross multiply
    1,408,011.66x = 2,108,958.93 × 866,617.74
  4. Step 4: Simplify right side
    1,408,011.66x = 1,827,661,221,669.42
  5. Step 5: Solve for x
    x = 1,827,661,221,669.42/1,408,011.66
  6. Step 6: Final answer
    x = 1,298,044.10

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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.