Home / 1,567,354.10-2,351,033.64-430,131.86

Finding the Fourth Proportional to 1,567,354.10, 2,351,033.64 and 430,131.86

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Solution

The fourth proportional to 1,567,354.10, 2,351,033.64 and 430,131.86 is: 645,198.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567,354.10 : 2,351,033.64 = 430,131.86 : x
  2. Step 2: Convert to fraction form
    1,567,354.10/2,351,033.64 = 430,131.86/x
  3. Step 3: Cross multiply
    1,567,354.10x = 2,351,033.64 × 430,131.86
  4. Step 4: Simplify right side
    1,567,354.10x = 1,011,254,472,495.77
  5. Step 5: Solve for x
    x = 1,011,254,472,495.77/1,567,354.10
  6. Step 6: Final answer
    x = 645,198.47

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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.