Home / 685,529.86-946,030.60-379,606.23

Finding the Fourth Proportional to 685,529.86, 946,030.60 and 379,606.23

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Solution

The fourth proportional to 685,529.86, 946,030.60 and 379,606.23 is: 523,856.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,529.86 : 946,030.60 = 379,606.23 : x
  2. Step 2: Convert to fraction form
    685,529.86/946,030.60 = 379,606.23/x
  3. Step 3: Cross multiply
    685,529.86x = 946,030.60 × 379,606.23
  4. Step 4: Simplify right side
    685,529.86x = 359,119,109,530.64
  5. Step 5: Solve for x
    x = 359,119,109,530.64/685,529.86
  6. Step 6: Final answer
    x = 523,856.26

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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.