Home / 554,905.02-765,769.37-385,237.56

Finding the Fourth Proportional to 554,905.02, 765,769.37 and 385,237.56

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Solution

The fourth proportional to 554,905.02, 765,769.37 and 385,237.56 is: 531,628.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,905.02 : 765,769.37 = 385,237.56 : x
  2. Step 2: Convert to fraction form
    554,905.02/765,769.37 = 385,237.56/x
  3. Step 3: Cross multiply
    554,905.02x = 765,769.37 × 385,237.56
  4. Step 4: Simplify right side
    554,905.02x = 295,003,121,695.35
  5. Step 5: Solve for x
    x = 295,003,121,695.35/554,905.02
  6. Step 6: Final answer
    x = 531,628.14

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1.5x scale

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.