Home / 851,969.95-1,175,699.59-469,996.63

Finding the Fourth Proportional to 851,969.95, 1,175,699.59 and 469,996.63

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Solution

The fourth proportional to 851,969.95, 1,175,699.59 and 469,996.63 is: 648,584.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,969.95 : 1,175,699.59 = 469,996.63 : x
  2. Step 2: Convert to fraction form
    851,969.95/1,175,699.59 = 469,996.63/x
  3. Step 3: Cross multiply
    851,969.95x = 1,175,699.59 × 469,996.63
  4. Step 4: Simplify right side
    851,969.95x = 552,574,845,192.38
  5. Step 5: Solve for x
    x = 552,574,845,192.38/851,969.95
  6. Step 6: Final answer
    x = 648,584.90

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Double scale
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Similar ratio
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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.