Home / 405,947.16-560,070.54-236,041.56

Finding the Fourth Proportional to 405,947.16, 560,070.54 and 236,041.56

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Solution

The fourth proportional to 405,947.16, 560,070.54 and 236,041.56 is: 325,657.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,947.16 : 560,070.54 = 236,041.56 : x
  2. Step 2: Convert to fraction form
    405,947.16/560,070.54 = 236,041.56/x
  3. Step 3: Cross multiply
    405,947.16x = 560,070.54 × 236,041.56
  4. Step 4: Simplify right side
    405,947.16x = 132,199,923,971.64
  5. Step 5: Solve for x
    x = 132,199,923,971.64/405,947.16
  6. Step 6: Final answer
    x = 325,657.96

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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.