Home / 543,926.25-749,838.69-382,279.59

Finding the Fourth Proportional to 543,926.25, 749,838.69 and 382,279.59

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Solution

The fourth proportional to 543,926.25, 749,838.69 and 382,279.59 is: 526,997.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,926.25 : 749,838.69 = 382,279.59 : x
  2. Step 2: Convert to fraction form
    543,926.25/749,838.69 = 382,279.59/x
  3. Step 3: Cross multiply
    543,926.25x = 749,838.69 × 382,279.59
  4. Step 4: Simplify right side
    543,926.25x = 286,648,026,979.34
  5. Step 5: Solve for x
    x = 286,648,026,979.34/543,926.25
  6. Step 6: Final answer
    x = 526,997.97

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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.