Home / 631,581.64-871,582.88-341,193.32

Finding the Fourth Proportional to 631,581.64, 871,582.88 and 341,193.32

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Solution

The fourth proportional to 631,581.64, 871,582.88 and 341,193.32 is: 470,846.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,581.64 : 871,582.88 = 341,193.32 : x
  2. Step 2: Convert to fraction form
    631,581.64/871,582.88 = 341,193.32/x
  3. Step 3: Cross multiply
    631,581.64x = 871,582.88 × 341,193.32
  4. Step 4: Simplify right side
    631,581.64x = 297,378,256,482.36
  5. Step 5: Solve for x
    x = 297,378,256,482.36/631,581.64
  6. Step 6: Final answer
    x = 470,846.90

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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.