Home / 703,134.90-1,054,534.86-303,557.04

Finding the Fourth Proportional to 703,134.90, 1,054,534.86 and 303,557.04

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Solution

The fourth proportional to 703,134.90, 1,054,534.86 and 303,557.04 is: 455,263.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,134.90 : 1,054,534.86 = 303,557.04 : x
  2. Step 2: Convert to fraction form
    703,134.90/1,054,534.86 = 303,557.04/x
  3. Step 3: Cross multiply
    703,134.90x = 1,054,534.86 × 303,557.04
  4. Step 4: Simplify right side
    703,134.90x = 320,111,480,678.41
  5. Step 5: Solve for x
    x = 320,111,480,678.41/703,134.90
  6. Step 6: Final answer
    x = 455,263.25

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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.