Home / 879,996.69-1,214,404.83-540,464.94

Finding the Fourth Proportional to 879,996.69, 1,214,404.83 and 540,464.94

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Solution

The fourth proportional to 879,996.69, 1,214,404.83 and 540,464.94 is: 745,847.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,996.69 : 1,214,404.83 = 540,464.94 : x
  2. Step 2: Convert to fraction form
    879,996.69/1,214,404.83 = 540,464.94/x
  3. Step 3: Cross multiply
    879,996.69x = 1,214,404.83 × 540,464.94
  4. Step 4: Simplify right side
    879,996.69x = 656,343,233,581.66
  5. Step 5: Solve for x
    x = 656,343,233,581.66/879,996.69
  6. Step 6: Final answer
    x = 745,847.39

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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.