Home / 854,894.32-1,179,749.85-467,702.74

Finding the Fourth Proportional to 854,894.32, 1,179,749.85 and 467,702.74

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Solution

The fourth proportional to 854,894.32, 1,179,749.85 and 467,702.74 is: 645,427.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,894.32 : 1,179,749.85 = 467,702.74 : x
  2. Step 2: Convert to fraction form
    854,894.32/1,179,749.85 = 467,702.74/x
  3. Step 3: Cross multiply
    854,894.32x = 1,179,749.85 × 467,702.74
  4. Step 4: Simplify right side
    854,894.32x = 551,772,237,080.39
  5. Step 5: Solve for x
    x = 551,772,237,080.39/854,894.32
  6. Step 6: Final answer
    x = 645,427.42

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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.