Home / 1,073,911.12-1,479,812.04-830,716.24

Finding the Fourth Proportional to 1,073,911.12, 1,479,812.04 and 830,716.24

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Solution

The fourth proportional to 1,073,911.12, 1,479,812.04 and 830,716.24 is: 1,144,697.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,911.12 : 1,479,812.04 = 830,716.24 : x
  2. Step 2: Convert to fraction form
    1,073,911.12/1,479,812.04 = 830,716.24/x
  3. Step 3: Cross multiply
    1,073,911.12x = 1,479,812.04 × 830,716.24
  4. Step 4: Simplify right side
    1,073,911.12x = 1,229,303,893,775.53
  5. Step 5: Solve for x
    x = 1,229,303,893,775.53/1,073,911.12
  6. Step 6: Final answer
    x = 1,144,697.98

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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.