Home / 452,630.57-624,370.35-282,569.45

Finding the Fourth Proportional to 452,630.57, 624,370.35 and 282,569.45

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Solution

The fourth proportional to 452,630.57, 624,370.35 and 282,569.45 is: 389,783.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,630.57 : 624,370.35 = 282,569.45 : x
  2. Step 2: Convert to fraction form
    452,630.57/624,370.35 = 282,569.45/x
  3. Step 3: Cross multiply
    452,630.57x = 624,370.35 × 282,569.45
  4. Step 4: Simplify right side
    452,630.57x = 176,427,983,273.96
  5. Step 5: Solve for x
    x = 176,427,983,273.96/452,630.57
  6. Step 6: Final answer
    x = 389,783.63

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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.