Home / 864,472.55-1,192,923.59-482,523.93

Finding the Fourth Proportional to 864,472.55, 1,192,923.59 and 482,523.93

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Solution

The fourth proportional to 864,472.55, 1,192,923.59 and 482,523.93 is: 665,855.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,472.55 : 1,192,923.59 = 482,523.93 : x
  2. Step 2: Convert to fraction form
    864,472.55/1,192,923.59 = 482,523.93/x
  3. Step 3: Cross multiply
    864,472.55x = 1,192,923.59 × 482,523.93
  4. Step 4: Simplify right side
    864,472.55x = 575,614,176,423.89
  5. Step 5: Solve for x
    x = 575,614,176,423.89/864,472.55
  6. Step 6: Final answer
    x = 665,855.94

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Double scale
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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.