Home / 660,171.06-911,057.76-373,685.00

Finding the Fourth Proportional to 660,171.06, 911,057.76 and 373,685.00

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Solution

The fourth proportional to 660,171.06, 911,057.76 and 373,685.00 is: 515,697.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,171.06 : 911,057.76 = 373,685.00 : x
  2. Step 2: Convert to fraction form
    660,171.06/911,057.76 = 373,685.00/x
  3. Step 3: Cross multiply
    660,171.06x = 911,057.76 × 373,685.00
  4. Step 4: Simplify right side
    660,171.06x = 340,448,614,490.31
  5. Step 5: Solve for x
    x = 340,448,614,490.31/660,171.06
  6. Step 6: Final answer
    x = 515,697.57

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1.5x scale

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.