Home / 405,856.06-560,075.78-224,564.69

Finding the Fourth Proportional to 405,856.06, 560,075.78 and 224,564.69

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Solution

The fourth proportional to 405,856.06, 560,075.78 and 224,564.69 is: 309,896.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,856.06 : 560,075.78 = 224,564.69 : x
  2. Step 2: Convert to fraction form
    405,856.06/560,075.78 = 224,564.69/x
  3. Step 3: Cross multiply
    405,856.06x = 560,075.78 × 224,564.69
  4. Step 4: Simplify right side
    405,856.06x = 125,773,245,873.81
  5. Step 5: Solve for x
    x = 125,773,245,873.81/405,856.06
  6. Step 6: Final answer
    x = 309,896.19

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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.