Home / 853,801.46-1,178,145.68-471,805.46

Finding the Fourth Proportional to 853,801.46, 1,178,145.68 and 471,805.46

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Solution

The fourth proportional to 853,801.46, 1,178,145.68 and 471,805.46 is: 651,036.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,801.46 : 1,178,145.68 = 471,805.46 : x
  2. Step 2: Convert to fraction form
    853,801.46/1,178,145.68 = 471,805.46/x
  3. Step 3: Cross multiply
    853,801.46x = 1,178,145.68 × 471,805.46
  4. Step 4: Simplify right side
    853,801.46x = 555,855,564,499.41
  5. Step 5: Solve for x
    x = 555,855,564,499.41/853,801.46
  6. Step 6: Final answer
    x = 651,036.09

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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.