Home / 685,376.23-946,318.17-550,154.02

Finding the Fourth Proportional to 685,376.23, 946,318.17 and 550,154.02

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Solution

The fourth proportional to 685,376.23, 946,318.17 and 550,154.02 is: 759,613.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,376.23 : 946,318.17 = 550,154.02 : x
  2. Step 2: Convert to fraction form
    685,376.23/946,318.17 = 550,154.02/x
  3. Step 3: Cross multiply
    685,376.23x = 946,318.17 × 550,154.02
  4. Step 4: Simplify right side
    685,376.23x = 520,620,745,424.54
  5. Step 5: Solve for x
    x = 520,620,745,424.54/685,376.23
  6. Step 6: Final answer
    x = 759,613.07

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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.