Home / 855,831.78-1,181,084.76-473,858.60

Finding the Fourth Proportional to 855,831.78, 1,181,084.76 and 473,858.60

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Solution

The fourth proportional to 855,831.78, 1,181,084.76 and 473,858.60 is: 653,945.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,831.78 : 1,181,084.76 = 473,858.60 : x
  2. Step 2: Convert to fraction form
    855,831.78/1,181,084.76 = 473,858.60/x
  3. Step 3: Cross multiply
    855,831.78x = 1,181,084.76 × 473,858.60
  4. Step 4: Simplify right side
    855,831.78x = 559,667,164,949.51
  5. Step 5: Solve for x
    x = 559,667,164,949.51/855,831.78
  6. Step 6: Final answer
    x = 653,945.29

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Half scale
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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.