Home / 739,840.74-1,109,810.33-260,010.51

Finding the Fourth Proportional to 739,840.74, 1,109,810.33 and 260,010.51

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Solution

The fourth proportional to 739,840.74, 1,109,810.33 and 260,010.51 is: 390,033.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,840.74 : 1,109,810.33 = 260,010.51 : x
  2. Step 2: Convert to fraction form
    739,840.74/1,109,810.33 = 260,010.51/x
  3. Step 3: Cross multiply
    739,840.74x = 1,109,810.33 × 260,010.51
  4. Step 4: Simplify right side
    739,840.74x = 288,562,348,606.52
  5. Step 5: Solve for x
    x = 288,562,348,606.52/739,840.74
  6. Step 6: Final answer
    x = 390,033.06

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1.5x scale

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.