Home / 685,528.86-946,029.23-379,605.23

Finding the Fourth Proportional to 685,528.86, 946,029.23 and 379,605.23

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Solution

The fourth proportional to 685,528.86, 946,029.23 and 379,605.23 is: 523,854.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,528.86 : 946,029.23 = 379,605.23 : x
  2. Step 2: Convert to fraction form
    685,528.86/946,029.23 = 379,605.23/x
  3. Step 3: Cross multiply
    685,528.86x = 946,029.23 × 379,605.23
  4. Step 4: Simplify right side
    685,528.86x = 359,117,636,812.70
  5. Step 5: Solve for x
    x = 359,117,636,812.70/685,528.86
  6. Step 6: Final answer
    x = 523,854.88

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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.