Home / 454,901.16-682,812.90-410,223.72

Finding the Fourth Proportional to 454,901.16, 682,812.90 and 410,223.72

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Solution

The fourth proportional to 454,901.16, 682,812.90 and 410,223.72 is: 615,751.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,901.16 : 682,812.90 = 410,223.72 : x
  2. Step 2: Convert to fraction form
    454,901.16/682,812.90 = 410,223.72/x
  3. Step 3: Cross multiply
    454,901.16x = 682,812.90 × 410,223.72
  4. Step 4: Simplify right side
    454,901.16x = 280,106,047,901.99
  5. Step 5: Solve for x
    x = 280,106,047,901.99/454,901.16
  6. Step 6: Final answer
    x = 615,751.45

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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.