Home / 581,635.92-871,826.40-281,482.32

Finding the Fourth Proportional to 581,635.92, 871,826.40 and 281,482.32

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Solution

The fourth proportional to 581,635.92, 871,826.40 and 281,482.32 is: 421,919.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,635.92 : 871,826.40 = 281,482.32 : x
  2. Step 2: Convert to fraction form
    581,635.92/871,826.40 = 281,482.32/x
  3. Step 3: Cross multiply
    581,635.92x = 871,826.40 × 281,482.32
  4. Step 4: Simplify right side
    581,635.92x = 245,403,717,709.25
  5. Step 5: Solve for x
    x = 245,403,717,709.25/581,635.92
  6. Step 6: Final answer
    x = 421,919.81

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.