Home / 463,792.20-696,533.10-405,731.40

Finding the Fourth Proportional to 463,792.20, 696,533.10 and 405,731.40

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Solution

The fourth proportional to 463,792.20, 696,533.10 and 405,731.40 is: 609,336.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,792.20 : 696,533.10 = 405,731.40 : x
  2. Step 2: Convert to fraction form
    463,792.20/696,533.10 = 405,731.40/x
  3. Step 3: Cross multiply
    463,792.20x = 696,533.10 × 405,731.40
  4. Step 4: Simplify right side
    463,792.20x = 282,605,349,809.34
  5. Step 5: Solve for x
    x = 282,605,349,809.34/463,792.20
  6. Step 6: Final answer
    x = 609,336.14

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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.