Home / 853,790.46-1,178,130.49-471,794.46

Finding the Fourth Proportional to 853,790.46, 1,178,130.49 and 471,794.46

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Solution

The fourth proportional to 853,790.46, 1,178,130.49 and 471,794.46 is: 651,020.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,790.46 : 1,178,130.49 = 471,794.46 : x
  2. Step 2: Convert to fraction form
    853,790.46/1,178,130.49 = 471,794.46/x
  3. Step 3: Cross multiply
    853,790.46x = 1,178,130.49 × 471,794.46
  4. Step 4: Simplify right side
    853,790.46x = 555,835,438,339.09
  5. Step 5: Solve for x
    x = 555,835,438,339.09/853,790.46
  6. Step 6: Final answer
    x = 651,020.91

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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.