Home / 558,826.05-771,158.51-317,094.21

Finding the Fourth Proportional to 558,826.05, 771,158.51 and 317,094.21

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Solution

The fourth proportional to 558,826.05, 771,158.51 and 317,094.21 is: 437,577.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,826.05 : 771,158.51 = 317,094.21 : x
  2. Step 2: Convert to fraction form
    558,826.05/771,158.51 = 317,094.21/x
  3. Step 3: Cross multiply
    558,826.05x = 771,158.51 × 317,094.21
  4. Step 4: Simplify right side
    558,826.05x = 244,529,898,116.86
  5. Step 5: Solve for x
    x = 244,529,898,116.86/558,826.05
  6. Step 6: Final answer
    x = 437,577.84

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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.