Home / 740,165.81-1,110,025.22-384,986.07

Finding the Fourth Proportional to 740,165.81, 1,110,025.22 and 384,986.07

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Solution

The fourth proportional to 740,165.81, 1,110,025.22 and 384,986.07 is: 577,362.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,165.81 : 1,110,025.22 = 384,986.07 : x
  2. Step 2: Convert to fraction form
    740,165.81/1,110,025.22 = 384,986.07/x
  3. Step 3: Cross multiply
    740,165.81x = 1,110,025.22 × 384,986.07
  4. Step 4: Simplify right side
    740,165.81x = 427,344,247,289.30
  5. Step 5: Solve for x
    x = 427,344,247,289.30/740,165.81
  6. Step 6: Final answer
    x = 577,362.86

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1.5x scale

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.