Home / 559,037.06-771,480.47-317,327.05

Finding the Fourth Proportional to 559,037.06, 771,480.47 and 317,327.05

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Solution

The fourth proportional to 559,037.06, 771,480.47 and 317,327.05 is: 437,916.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,037.06 : 771,480.47 = 317,327.05 : x
  2. Step 2: Convert to fraction form
    559,037.06/771,480.47 = 317,327.05/x
  3. Step 3: Cross multiply
    559,037.06x = 771,480.47 × 317,327.05
  4. Step 4: Simplify right side
    559,037.06x = 244,811,620,542.33
  5. Step 5: Solve for x
    x = 244,811,620,542.33/559,037.06
  6. Step 6: Final answer
    x = 437,916.63

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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.