Home / 1,665,671.94-2,298,584.79-930,631.77

Finding the Fourth Proportional to 1,665,671.94, 2,298,584.79 and 930,631.77

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Solution

The fourth proportional to 1,665,671.94, 2,298,584.79 and 930,631.77 is: 1,284,248.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,671.94 : 2,298,584.79 = 930,631.77 : x
  2. Step 2: Convert to fraction form
    1,665,671.94/2,298,584.79 = 930,631.77/x
  3. Step 3: Cross multiply
    1,665,671.94x = 2,298,584.79 × 930,631.77
  4. Step 4: Simplify right side
    1,665,671.94x = 2,139,136,031,612.78
  5. Step 5: Solve for x
    x = 2,139,136,031,612.78/1,665,671.94
  6. Step 6: Final answer
    x = 1,284,248.10

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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.