Home / 590,956.20-886,434.30-401,999.40

Finding the Fourth Proportional to 590,956.20, 886,434.30 and 401,999.40

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Solution

The fourth proportional to 590,956.20, 886,434.30 and 401,999.40 is: 602,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,956.20 : 886,434.30 = 401,999.40 : x
  2. Step 2: Convert to fraction form
    590,956.20/886,434.30 = 401,999.40/x
  3. Step 3: Cross multiply
    590,956.20x = 886,434.30 × 401,999.40
  4. Step 4: Simplify right side
    590,956.20x = 356,346,056,739.42
  5. Step 5: Solve for x
    x = 356,346,056,739.42/590,956.20
  6. Step 6: Final answer
    x = 602,999.10

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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.