Home / 1,177,385.16-1,624,808.55-661,250.77

Finding the Fourth Proportional to 1,177,385.16, 1,624,808.55 and 661,250.77

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Solution

The fourth proportional to 1,177,385.16, 1,624,808.55 and 661,250.77 is: 912,535.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,385.16 : 1,624,808.55 = 661,250.77 : x
  2. Step 2: Convert to fraction form
    1,177,385.16/1,624,808.55 = 661,250.77/x
  3. Step 3: Cross multiply
    1,177,385.16x = 1,624,808.55 × 661,250.77
  4. Step 4: Simplify right side
    1,177,385.16x = 1,074,405,904,790.08
  5. Step 5: Solve for x
    x = 1,074,405,904,790.08/1,177,385.16
  6. Step 6: Final answer
    x = 912,535.63

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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.