Home / 740,716.36-1,111,126.86-366,638.92

Finding the Fourth Proportional to 740,716.36, 1,111,126.86 and 366,638.92

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Solution

The fourth proportional to 740,716.36, 1,111,126.86 and 366,638.92 is: 549,984.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,716.36 : 1,111,126.86 = 366,638.92 : x
  2. Step 2: Convert to fraction form
    740,716.36/1,111,126.86 = 366,638.92/x
  3. Step 3: Cross multiply
    740,716.36x = 1,111,126.86 × 366,638.92
  4. Step 4: Simplify right side
    740,716.36x = 407,382,351,933.39
  5. Step 5: Solve for x
    x = 407,382,351,933.39/740,716.36
  6. Step 6: Final answer
    x = 549,984.28

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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.