Home / 497,154.24-686,089.44-270,820.80

Finding the Fourth Proportional to 497,154.24, 686,089.44 and 270,820.80

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Solution

The fourth proportional to 497,154.24, 686,089.44 and 270,820.80 is: 373,741.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,154.24 : 686,089.44 = 270,820.80 : x
  2. Step 2: Convert to fraction form
    497,154.24/686,089.44 = 270,820.80/x
  3. Step 3: Cross multiply
    497,154.24x = 686,089.44 × 270,820.80
  4. Step 4: Simplify right side
    497,154.24x = 185,807,291,012.35
  5. Step 5: Solve for x
    x = 185,807,291,012.35/497,154.24
  6. Step 6: Final answer
    x = 373,741.74

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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.