Home / 848,114.10-1,272,171.15-661,490.10

Finding the Fourth Proportional to 848,114.10, 1,272,171.15 and 661,490.10

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Solution

The fourth proportional to 848,114.10, 1,272,171.15 and 661,490.10 is: 992,235.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,114.10 : 1,272,171.15 = 661,490.10 : x
  2. Step 2: Convert to fraction form
    848,114.10/1,272,171.15 = 661,490.10/x
  3. Step 3: Cross multiply
    848,114.10x = 1,272,171.15 × 661,490.10
  4. Step 4: Simplify right side
    848,114.10x = 841,528,621,230.62
  5. Step 5: Solve for x
    x = 841,528,621,230.62/848,114.10
  6. Step 6: Final answer
    x = 992,235.15

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.