Home / 684,284.25-944,274.15-378,342.27

Finding the Fourth Proportional to 684,284.25, 944,274.15 and 378,342.27

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Solution

The fourth proportional to 684,284.25, 944,274.15 and 378,342.27 is: 522,091.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,284.25 : 944,274.15 = 378,342.27 : x
  2. Step 2: Convert to fraction form
    684,284.25/944,274.15 = 378,342.27/x
  3. Step 3: Cross multiply
    684,284.25x = 944,274.15 × 378,342.27
  4. Step 4: Simplify right side
    684,284.25x = 357,258,825,413.32
  5. Step 5: Solve for x
    x = 357,258,825,413.32/684,284.25
  6. Step 6: Final answer
    x = 522,091.26

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Half scale
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Double scale
Find fourth proportional to 684,285.25, 944,275.53 and 378,343.27
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.