Home / 947,940.60-1,308,173.58-566,000.76

Finding the Fourth Proportional to 947,940.60, 1,308,173.58 and 566,000.76

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Solution

The fourth proportional to 947,940.60, 1,308,173.58 and 566,000.76 is: 781,090.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,940.60 : 1,308,173.58 = 566,000.76 : x
  2. Step 2: Convert to fraction form
    947,940.60/1,308,173.58 = 566,000.76/x
  3. Step 3: Cross multiply
    947,940.60x = 1,308,173.58 × 566,000.76
  4. Step 4: Simplify right side
    947,940.60x = 740,427,240,491.92
  5. Step 5: Solve for x
    x = 740,427,240,491.92/947,940.60
  6. Step 6: Final answer
    x = 781,090.33

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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.