Home / 851,263.16-1,174,706.72-464,069.36

Finding the Fourth Proportional to 851,263.16, 1,174,706.72 and 464,069.36

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Solution

The fourth proportional to 851,263.16, 1,174,706.72 and 464,069.36 is: 640,395.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,263.16 : 1,174,706.72 = 464,069.36 : x
  2. Step 2: Convert to fraction form
    851,263.16/1,174,706.72 = 464,069.36/x
  3. Step 3: Cross multiply
    851,263.16x = 1,174,706.72 × 464,069.36
  4. Step 4: Simplify right side
    851,263.16x = 545,145,395,738.10
  5. Step 5: Solve for x
    x = 545,145,395,738.10/851,263.16
  6. Step 6: Final answer
    x = 640,395.85

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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.