Home / 1,171,529.03-1,755,475.93-812,400.40

Finding the Fourth Proportional to 1,171,529.03, 1,755,475.93 and 812,400.40

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Solution

The fourth proportional to 1,171,529.03, 1,755,475.93 and 812,400.40 is: 1,217,340.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,529.03 : 1,755,475.93 = 812,400.40 : x
  2. Step 2: Convert to fraction form
    1,171,529.03/1,755,475.93 = 812,400.40/x
  3. Step 3: Cross multiply
    1,171,529.03x = 1,755,475.93 × 812,400.40
  4. Step 4: Simplify right side
    1,171,529.03x = 1,426,149,347,722.37
  5. Step 5: Solve for x
    x = 1,426,149,347,722.37/1,171,529.03
  6. Step 6: Final answer
    x = 1,217,340.17

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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.