Home / 466,028.79-643,113.60-262,079.64

Finding the Fourth Proportional to 466,028.79, 643,113.60 and 262,079.64

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Solution

The fourth proportional to 466,028.79, 643,113.60 and 262,079.64 is: 361,666.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,028.79 : 643,113.60 = 262,079.64 : x
  2. Step 2: Convert to fraction form
    466,028.79/643,113.60 = 262,079.64/x
  3. Step 3: Cross multiply
    466,028.79x = 643,113.60 × 262,079.64
  4. Step 4: Simplify right side
    466,028.79x = 168,546,980,767.10
  5. Step 5: Solve for x
    x = 168,546,980,767.10/466,028.79
  6. Step 6: Final answer
    x = 361,666.46

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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.