Home / 926,629.20-1,390,980.60-717,195.60

Finding the Fourth Proportional to 926,629.20, 1,390,980.60 and 717,195.60

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Solution

The fourth proportional to 926,629.20, 1,390,980.60 and 717,195.60 is: 1,076,595.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,629.20 : 1,390,980.60 = 717,195.60 : x
  2. Step 2: Convert to fraction form
    926,629.20/1,390,980.60 = 717,195.60/x
  3. Step 3: Cross multiply
    926,629.20x = 1,390,980.60 × 717,195.60
  4. Step 4: Simplify right side
    926,629.20x = 997,605,166,005.36
  5. Step 5: Solve for x
    x = 997,605,166,005.36/926,629.20
  6. Step 6: Final answer
    x = 1,076,595.87

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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.