Home / 740,768.98-1,022,261.23-401,237.23

Finding the Fourth Proportional to 740,768.98, 1,022,261.23 and 401,237.23

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Solution

The fourth proportional to 740,768.98, 1,022,261.23 and 401,237.23 is: 553,707.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,768.98 : 1,022,261.23 = 401,237.23 : x
  2. Step 2: Convert to fraction form
    740,768.98/1,022,261.23 = 401,237.23/x
  3. Step 3: Cross multiply
    740,768.98x = 1,022,261.23 × 401,237.23
  4. Step 4: Simplify right side
    740,768.98x = 410,169,261,867.27
  5. Step 5: Solve for x
    x = 410,169,261,867.27/740,768.98
  6. Step 6: Final answer
    x = 553,707.40

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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.