Home / 428,777.08-591,697.47-237,808.24

Finding the Fourth Proportional to 428,777.08, 591,697.47 and 237,808.24

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Solution

The fourth proportional to 428,777.08, 591,697.47 and 237,808.24 is: 328,167.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,777.08 : 591,697.47 = 237,808.24 : x
  2. Step 2: Convert to fraction form
    428,777.08/591,697.47 = 237,808.24/x
  3. Step 3: Cross multiply
    428,777.08x = 591,697.47 × 237,808.24
  4. Step 4: Simplify right side
    428,777.08x = 140,710,533,953.15
  5. Step 5: Solve for x
    x = 140,710,533,953.15/428,777.08
  6. Step 6: Final answer
    x = 328,167.11

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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.