Home / 1,178,048.80-1,625,662.64-719,929.52

Finding the Fourth Proportional to 1,178,048.80, 1,625,662.64 and 719,929.52

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Solution

The fourth proportional to 1,178,048.80, 1,625,662.64 and 719,929.52 is: 993,475.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,048.80 : 1,625,662.64 = 719,929.52 : x
  2. Step 2: Convert to fraction form
    1,178,048.80/1,625,662.64 = 719,929.52/x
  3. Step 3: Cross multiply
    1,178,048.80x = 1,625,662.64 × 719,929.52
  4. Step 4: Simplify right side
    1,178,048.80x = 1,170,362,524,097.13
  5. Step 5: Solve for x
    x = 1,170,362,524,097.13/1,178,048.80
  6. Step 6: Final answer
    x = 993,475.42

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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.