Home / 631,582.64-871,584.28-341,194.32

Finding the Fourth Proportional to 631,582.64, 871,584.28 and 341,194.32

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Solution

The fourth proportional to 631,582.64, 871,584.28 and 341,194.32 is: 470,848.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,582.64 : 871,584.28 = 341,194.32 : x
  2. Step 2: Convert to fraction form
    631,582.64/871,584.28 = 341,194.32/x
  3. Step 3: Cross multiply
    631,582.64x = 871,584.28 × 341,194.32
  4. Step 4: Simplify right side
    631,582.64x = 297,379,605,737.29
  5. Step 5: Solve for x
    x = 297,379,605,737.29/631,582.64
  6. Step 6: Final answer
    x = 470,848.29

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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.