Home / 556,556.03-768,047.57-314,833.45

Finding the Fourth Proportional to 556,556.03, 768,047.57 and 314,833.45

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Solution

The fourth proportional to 556,556.03, 768,047.57 and 314,833.45 is: 434,470.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,556.03 : 768,047.57 = 314,833.45 : x
  2. Step 2: Convert to fraction form
    556,556.03/768,047.57 = 314,833.45/x
  3. Step 3: Cross multiply
    556,556.03x = 768,047.57 × 314,833.45
  4. Step 4: Simplify right side
    556,556.03x = 241,807,065,353.65
  5. Step 5: Solve for x
    x = 241,807,065,353.65/556,556.03
  6. Step 6: Final answer
    x = 434,470.30

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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.