Home / 558,929.54-771,191.60-317,157.50

Finding the Fourth Proportional to 558,929.54, 771,191.60 and 317,157.50

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Solution

The fourth proportional to 558,929.54, 771,191.60 and 317,157.50 is: 437,602.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,929.54 : 771,191.60 = 317,157.50 : x
  2. Step 2: Convert to fraction form
    558,929.54/771,191.60 = 317,157.50/x
  3. Step 3: Cross multiply
    558,929.54x = 771,191.60 × 317,157.50
  4. Step 4: Simplify right side
    558,929.54x = 244,589,199,877
  5. Step 5: Solve for x
    x = 244,589,199,877/558,929.54
  6. Step 6: Final answer
    x = 437,602.92

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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.