Home / 717,183.12-1,075,431.72-417,749.16

Finding the Fourth Proportional to 717,183.12, 1,075,431.72 and 417,749.16

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Solution

The fourth proportional to 717,183.12, 1,075,431.72 and 417,749.16 is: 626,423.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,183.12 : 1,075,431.72 = 417,749.16 : x
  2. Step 2: Convert to fraction form
    717,183.12/1,075,431.72 = 417,749.16/x
  3. Step 3: Cross multiply
    717,183.12x = 1,075,431.72 × 417,749.16
  4. Step 4: Simplify right side
    717,183.12x = 449,260,697,667.36
  5. Step 5: Solve for x
    x = 449,260,697,667.36/717,183.12
  6. Step 6: Final answer
    x = 626,423.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.