Home / 905,620.01-1,249,783.73-497,714.43

Finding the Fourth Proportional to 905,620.01, 1,249,783.73 and 497,714.43

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Solution

The fourth proportional to 905,620.01, 1,249,783.73 and 497,714.43 is: 686,861.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,620.01 : 1,249,783.73 = 497,714.43 : x
  2. Step 2: Convert to fraction form
    905,620.01/1,249,783.73 = 497,714.43/x
  3. Step 3: Cross multiply
    905,620.01x = 1,249,783.73 × 497,714.43
  4. Step 4: Simplify right side
    905,620.01x = 622,035,398,044.51
  5. Step 5: Solve for x
    x = 622,035,398,044.51/905,620.01
  6. Step 6: Final answer
    x = 686,861.37

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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.