Home / 885,815.37-1,326,725.42-411,502.59

Finding the Fourth Proportional to 885,815.37, 1,326,725.42 and 411,502.59

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Solution

The fourth proportional to 885,815.37, 1,326,725.42 and 411,502.59 is: 616,325.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,815.37 : 1,326,725.42 = 411,502.59 : x
  2. Step 2: Convert to fraction form
    885,815.37/1,326,725.42 = 411,502.59/x
  3. Step 3: Cross multiply
    885,815.37x = 1,326,725.42 × 411,502.59
  4. Step 4: Simplify right side
    885,815.37x = 545,950,944,491.33
  5. Step 5: Solve for x
    x = 545,950,944,491.33/885,815.37
  6. Step 6: Final answer
    x = 616,325.89

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.