Home / 451,951.86-623,985.72-280,052.24

Finding the Fourth Proportional to 451,951.86, 623,985.72 and 280,052.24

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Solution

The fourth proportional to 451,951.86, 623,985.72 and 280,052.24 is: 386,653.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,951.86 : 623,985.72 = 280,052.24 : x
  2. Step 2: Convert to fraction form
    451,951.86/623,985.72 = 280,052.24/x
  3. Step 3: Cross multiply
    451,951.86x = 623,985.72 × 280,052.24
  4. Step 4: Simplify right side
    451,951.86x = 174,748,598,614.01
  5. Step 5: Solve for x
    x = 174,748,598,614.01/451,951.86
  6. Step 6: Final answer
    x = 386,653.12

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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.