Home / 619,853.96-854,428.02-404,886.44

Finding the Fourth Proportional to 619,853.96, 854,428.02 and 404,886.44

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Solution

The fourth proportional to 619,853.96, 854,428.02 and 404,886.44 is: 558,109.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,853.96 : 854,428.02 = 404,886.44 : x
  2. Step 2: Convert to fraction form
    619,853.96/854,428.02 = 404,886.44/x
  3. Step 3: Cross multiply
    619,853.96x = 854,428.02 × 404,886.44
  4. Step 4: Simplify right side
    619,853.96x = 345,946,319,254.05
  5. Step 5: Solve for x
    x = 345,946,319,254.05/619,853.96
  6. Step 6: Final answer
    x = 558,109.40

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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.