Home / 558,077.20-837,077.40-178,992.40

Finding the Fourth Proportional to 558,077.20, 837,077.40 and 178,992.40

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Solution

The fourth proportional to 558,077.20, 837,077.40 and 178,992.40 is: 268,476.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,077.20 : 837,077.40 = 178,992.40 : x
  2. Step 2: Convert to fraction form
    558,077.20/837,077.40 = 178,992.40/x
  3. Step 3: Cross multiply
    558,077.20x = 837,077.40 × 178,992.40
  4. Step 4: Simplify right side
    558,077.20x = 149,830,492,811.76
  5. Step 5: Solve for x
    x = 149,830,492,811.76/558,077.20
  6. Step 6: Final answer
    x = 268,476.28

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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.