Home / 620,905.02-930,578.40-265,501.11

Finding the Fourth Proportional to 620,905.02, 930,578.40 and 265,501.11

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Solution

The fourth proportional to 620,905.02, 930,578.40 and 265,501.11 is: 397,918.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,905.02 : 930,578.40 = 265,501.11 : x
  2. Step 2: Convert to fraction form
    620,905.02/930,578.40 = 265,501.11/x
  3. Step 3: Cross multiply
    620,905.02x = 930,578.40 × 265,501.11
  4. Step 4: Simplify right side
    620,905.02x = 247,069,598,142.02
  5. Step 5: Solve for x
    x = 247,069,598,142.02/620,905.02
  6. Step 6: Final answer
    x = 397,918.51

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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.