Home / 913,602.06-1,260,481.01-531,555.03

Finding the Fourth Proportional to 913,602.06, 1,260,481.01 and 531,555.03

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Solution

The fourth proportional to 913,602.06, 1,260,481.01 and 531,555.03 is: 733,377.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,602.06 : 1,260,481.01 = 531,555.03 : x
  2. Step 2: Convert to fraction form
    913,602.06/1,260,481.01 = 531,555.03/x
  3. Step 3: Cross multiply
    913,602.06x = 1,260,481.01 × 531,555.03
  4. Step 4: Simplify right side
    913,602.06x = 670,015,018,427.21
  5. Step 5: Solve for x
    x = 670,015,018,427.21/913,602.06
  6. Step 6: Final answer
    x = 733,377.31

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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.