Home / 429,683.64-592,942.14-248,378.32

Finding the Fourth Proportional to 429,683.64, 592,942.14 and 248,378.32

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Solution

The fourth proportional to 429,683.64, 592,942.14 and 248,378.32 is: 342,749.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,683.64 : 592,942.14 = 248,378.32 : x
  2. Step 2: Convert to fraction form
    429,683.64/592,942.14 = 248,378.32/x
  3. Step 3: Cross multiply
    429,683.64x = 592,942.14 × 248,378.32
  4. Step 4: Simplify right side
    429,683.64x = 147,273,972,590.41
  5. Step 5: Solve for x
    x = 147,273,972,590.41/429,683.64
  6. Step 6: Final answer
    x = 342,749.78

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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.