Home / 504,941.05-696,880.38-290,080.72

Finding the Fourth Proportional to 504,941.05, 696,880.38 and 290,080.72

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Solution

The fourth proportional to 504,941.05, 696,880.38 and 290,080.72 is: 400,346.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,941.05 : 696,880.38 = 290,080.72 : x
  2. Step 2: Convert to fraction form
    504,941.05/696,880.38 = 290,080.72/x
  3. Step 3: Cross multiply
    504,941.05x = 696,880.38 × 290,080.72
  4. Step 4: Simplify right side
    504,941.05x = 202,151,562,384.27
  5. Step 5: Solve for x
    x = 202,151,562,384.27/504,941.05
  6. Step 6: Final answer
    x = 400,346.86

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1.5x scale

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.