Home / 938,139.54-1,294,697.34-570,760.02

Finding the Fourth Proportional to 938,139.54, 1,294,697.34 and 570,760.02

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Solution

The fourth proportional to 938,139.54, 1,294,697.34 and 570,760.02 is: 787,688.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,139.54 : 1,294,697.34 = 570,760.02 : x
  2. Step 2: Convert to fraction form
    938,139.54/1,294,697.34 = 570,760.02/x
  3. Step 3: Cross multiply
    938,139.54x = 1,294,697.34 × 570,760.02
  4. Step 4: Simplify right side
    938,139.54x = 738,961,479,672.35
  5. Step 5: Solve for x
    x = 738,961,479,672.35/938,139.54
  6. Step 6: Final answer
    x = 787,688.24

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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.