Home / 1,177,508.45-1,624,991.51-661,303.55

Finding the Fourth Proportional to 1,177,508.45, 1,624,991.51 and 661,303.55

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Solution

The fourth proportional to 1,177,508.45, 1,624,991.51 and 661,303.55 is: 912,615.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,508.45 : 1,624,991.51 = 661,303.55 : x
  2. Step 2: Convert to fraction form
    1,177,508.45/1,624,991.51 = 661,303.55/x
  3. Step 3: Cross multiply
    1,177,508.45x = 1,624,991.51 × 661,303.55
  4. Step 4: Simplify right side
    1,177,508.45x = 1,074,612,654,282.86
  5. Step 5: Solve for x
    x = 1,074,612,654,282.86/1,177,508.45
  6. Step 6: Final answer
    x = 912,615.66

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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.