Home / 539,748.69-744,856.35-298,026.69

Finding the Fourth Proportional to 539,748.69, 744,856.35 and 298,026.69

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Solution

The fourth proportional to 539,748.69, 744,856.35 and 298,026.69 is: 411,278.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,748.69 : 744,856.35 = 298,026.69 : x
  2. Step 2: Convert to fraction form
    539,748.69/744,856.35 = 298,026.69/x
  3. Step 3: Cross multiply
    539,748.69x = 744,856.35 × 298,026.69
  4. Step 4: Simplify right side
    539,748.69x = 221,987,068,605.17
  5. Step 5: Solve for x
    x = 221,987,068,605.17/539,748.69
  6. Step 6: Final answer
    x = 411,278.57

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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.