Home / 815,177.69-1,124,980.35-452,601.60

Finding the Fourth Proportional to 815,177.69, 1,124,980.35 and 452,601.60

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Solution

The fourth proportional to 815,177.69, 1,124,980.35 and 452,601.60 is: 624,609.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,177.69 : 1,124,980.35 = 452,601.60 : x
  2. Step 2: Convert to fraction form
    815,177.69/1,124,980.35 = 452,601.60/x
  3. Step 3: Cross multiply
    815,177.69x = 1,124,980.35 × 452,601.60
  4. Step 4: Simplify right side
    815,177.69x = 509,167,898,490.65
  5. Step 5: Solve for x
    x = 509,167,898,490.65/815,177.69
  6. Step 6: Final answer
    x = 624,609.71

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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.