Home / 617,984.81-852,905.43-446,457.72

Finding the Fourth Proportional to 617,984.81, 852,905.43 and 446,457.72

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Solution

The fourth proportional to 617,984.81, 852,905.43 and 446,457.72 is: 616,174.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,984.81 : 852,905.43 = 446,457.72 : x
  2. Step 2: Convert to fraction form
    617,984.81/852,905.43 = 446,457.72/x
  3. Step 3: Cross multiply
    617,984.81x = 852,905.43 × 446,457.72
  4. Step 4: Simplify right side
    617,984.81x = 380,786,216,851.82
  5. Step 5: Solve for x
    x = 380,786,216,851.82/617,984.81
  6. Step 6: Final answer
    x = 616,174.07

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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.