Home / 599,526.72-899,026.56-318,977.28

Finding the Fourth Proportional to 599,526.72, 899,026.56 and 318,977.28

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Solution

The fourth proportional to 599,526.72, 899,026.56 and 318,977.28 is: 478,325.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,526.72 : 899,026.56 = 318,977.28 : x
  2. Step 2: Convert to fraction form
    599,526.72/899,026.56 = 318,977.28/x
  3. Step 3: Cross multiply
    599,526.72x = 899,026.56 × 318,977.28
  4. Step 4: Simplify right side
    599,526.72x = 286,769,046,756.56
  5. Step 5: Solve for x
    x = 286,769,046,756.56/599,526.72
  6. Step 6: Final answer
    x = 478,325.71

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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.