Home / 514,756.11-771,047.90-413,003.26

Finding the Fourth Proportional to 514,756.11, 771,047.90 and 413,003.26

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Solution

The fourth proportional to 514,756.11, 771,047.90 and 413,003.26 is: 618,633.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,756.11 : 771,047.90 = 413,003.26 : x
  2. Step 2: Convert to fraction form
    514,756.11/771,047.90 = 413,003.26/x
  3. Step 3: Cross multiply
    514,756.11x = 771,047.90 × 413,003.26
  4. Step 4: Simplify right side
    514,756.11x = 318,445,296,316.15
  5. Step 5: Solve for x
    x = 318,445,296,316.15/514,756.11
  6. Step 6: Final answer
    x = 618,633.35

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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.