Home / 1,272,202.42-1,909,249.65-514,050.47

Finding the Fourth Proportional to 1,272,202.42, 1,909,249.65 and 514,050.47

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Solution

The fourth proportional to 1,272,202.42, 1,909,249.65 and 514,050.47 is: 771,457.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,202.42 : 1,909,249.65 = 514,050.47 : x
  2. Step 2: Convert to fraction form
    1,272,202.42/1,909,249.65 = 514,050.47/x
  3. Step 3: Cross multiply
    1,272,202.42x = 1,909,249.65 × 514,050.47
  4. Step 4: Simplify right side
    1,272,202.42x = 981,450,684,702.96
  5. Step 5: Solve for x
    x = 981,450,684,702.96/1,272,202.42
  6. Step 6: Final answer
    x = 771,457.96

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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.