Home / 1,073,193.48-1,480,128.12-665,011.80

Finding the Fourth Proportional to 1,073,193.48, 1,480,128.12 and 665,011.80

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Solution

The fourth proportional to 1,073,193.48, 1,480,128.12 and 665,011.80 is: 917,171.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,193.48 : 1,480,128.12 = 665,011.80 : x
  2. Step 2: Convert to fraction form
    1,073,193.48/1,480,128.12 = 665,011.80/x
  3. Step 3: Cross multiply
    1,073,193.48x = 1,480,128.12 × 665,011.80
  4. Step 4: Simplify right side
    1,073,193.48x = 984,302,665,311.82
  5. Step 5: Solve for x
    x = 984,302,665,311.82/1,073,193.48
  6. Step 6: Final answer
    x = 917,171.68

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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.