Home / 1,109,739.02-1,531,275.66-673,929.74

Finding the Fourth Proportional to 1,109,739.02, 1,531,275.66 and 673,929.74

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Solution

The fourth proportional to 1,109,739.02, 1,531,275.66 and 673,929.74 is: 929,923.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,739.02 : 1,531,275.66 = 673,929.74 : x
  2. Step 2: Convert to fraction form
    1,109,739.02/1,531,275.66 = 673,929.74/x
  3. Step 3: Cross multiply
    1,109,739.02x = 1,531,275.66 × 673,929.74
  4. Step 4: Simplify right side
    1,109,739.02x = 1,031,972,207,412.13
  5. Step 5: Solve for x
    x = 1,031,972,207,412.13/1,109,739.02
  6. Step 6: Final answer
    x = 929,923.33

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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.