Home / 836,942.81-1,155,107.16-510,445.24

Finding the Fourth Proportional to 836,942.81, 1,155,107.16 and 510,445.24

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Solution

The fourth proportional to 836,942.81, 1,155,107.16 and 510,445.24 is: 704,491.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,942.81 : 1,155,107.16 = 510,445.24 : x
  2. Step 2: Convert to fraction form
    836,942.81/1,155,107.16 = 510,445.24/x
  3. Step 3: Cross multiply
    836,942.81x = 1,155,107.16 × 510,445.24
  4. Step 4: Simplify right side
    836,942.81x = 589,618,945,736.38
  5. Step 5: Solve for x
    x = 589,618,945,736.38/836,942.81
  6. Step 6: Final answer
    x = 704,491.32

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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.