Home / 774,085-1,160,829.24-300,708.04

Finding the Fourth Proportional to 774,085, 1,160,829.24 and 300,708.04

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Solution

The fourth proportional to 774,085, 1,160,829.24 and 300,708.04 is: 450,946.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,085 : 1,160,829.24 = 300,708.04 : x
  2. Step 2: Convert to fraction form
    774,085/1,160,829.24 = 300,708.04/x
  3. Step 3: Cross multiply
    774,085x = 1,160,829.24 × 300,708.04
  4. Step 4: Simplify right side
    774,085x = 349,070,685,535.09
  5. Step 5: Solve for x
    x = 349,070,685,535.09/774,085
  6. Step 6: Final answer
    x = 450,946.20

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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.