Home / 851,971.76-1,175,702.07-469,998.44

Finding the Fourth Proportional to 851,971.76, 1,175,702.07 and 469,998.44

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Solution

The fourth proportional to 851,971.76, 1,175,702.07 and 469,998.44 is: 648,587.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,971.76 : 1,175,702.07 = 469,998.44 : x
  2. Step 2: Convert to fraction form
    851,971.76/1,175,702.07 = 469,998.44/x
  3. Step 3: Cross multiply
    851,971.76x = 1,175,702.07 × 469,998.44
  4. Step 4: Simplify right side
    851,971.76x = 552,578,138,804.77
  5. Step 5: Solve for x
    x = 552,578,138,804.77/851,971.76
  6. Step 6: Final answer
    x = 648,587.39

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Double scale
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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.