Home / 434,579.10-651,868.65-403,086.30

Finding the Fourth Proportional to 434,579.10, 651,868.65 and 403,086.30

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Solution

The fourth proportional to 434,579.10, 651,868.65 and 403,086.30 is: 604,629.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,579.10 : 651,868.65 = 403,086.30 : x
  2. Step 2: Convert to fraction form
    434,579.10/651,868.65 = 403,086.30/x
  3. Step 3: Cross multiply
    434,579.10x = 651,868.65 × 403,086.30
  4. Step 4: Simplify right side
    434,579.10x = 262,759,322,214.50
  5. Step 5: Solve for x
    x = 262,759,322,214.50/434,579.10
  6. Step 6: Final answer
    x = 604,629.45

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Similar ratio
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1.5x scale

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.