Home / 497,220.48-686,158.08-270,861.12

Finding the Fourth Proportional to 497,220.48, 686,158.08 and 270,861.12

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Solution

The fourth proportional to 497,220.48, 686,158.08 and 270,861.12 is: 373,784.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,220.48 : 686,158.08 = 270,861.12 : x
  2. Step 2: Convert to fraction form
    497,220.48/686,158.08 = 270,861.12/x
  3. Step 3: Cross multiply
    497,220.48x = 686,158.08 × 270,861.12
  4. Step 4: Simplify right side
    497,220.48x = 185,853,546,045.85
  5. Step 5: Solve for x
    x = 185,853,546,045.85/497,220.48
  6. Step 6: Final answer
    x = 373,784.98

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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.