Home / 829,068.32-1,243,193.52-349,208.48

Finding the Fourth Proportional to 829,068.32, 1,243,193.52 and 349,208.48

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Solution

The fourth proportional to 829,068.32, 1,243,193.52 and 349,208.48 is: 523,640.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,068.32 : 1,243,193.52 = 349,208.48 : x
  2. Step 2: Convert to fraction form
    829,068.32/1,243,193.52 = 349,208.48/x
  3. Step 3: Cross multiply
    829,068.32x = 1,243,193.52 × 349,208.48
  4. Step 4: Simplify right side
    829,068.32x = 434,133,719,465.05
  5. Step 5: Solve for x
    x = 434,133,719,465.05/829,068.32
  6. Step 6: Final answer
    x = 523,640.46

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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.