Home / 631,582.64-871,584.26-341,194.32

Finding the Fourth Proportional to 631,582.64, 871,584.26 and 341,194.32

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Solution

The fourth proportional to 631,582.64, 871,584.26 and 341,194.32 is: 470,848.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,582.64 : 871,584.26 = 341,194.32 : x
  2. Step 2: Convert to fraction form
    631,582.64/871,584.26 = 341,194.32/x
  3. Step 3: Cross multiply
    631,582.64x = 871,584.26 × 341,194.32
  4. Step 4: Simplify right side
    631,582.64x = 297,379,598,913.40
  5. Step 5: Solve for x
    x = 297,379,598,913.40/631,582.64
  6. Step 6: Final answer
    x = 470,848.28

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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.