Home / 1,213,953.36-1,675,255.38-670,089

Finding the Fourth Proportional to 1,213,953.36, 1,675,255.38 and 670,089

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Solution

The fourth proportional to 1,213,953.36, 1,675,255.38 and 670,089 is: 924,722.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,953.36 : 1,675,255.38 = 670,089 : x
  2. Step 2: Convert to fraction form
    1,213,953.36/1,675,255.38 = 670,089/x
  3. Step 3: Cross multiply
    1,213,953.36x = 1,675,255.38 × 670,089
  4. Step 4: Simplify right side
    1,213,953.36x = 1,122,570,204,004.04
  5. Step 5: Solve for x
    x = 1,122,570,204,004.04/1,213,953.36
  6. Step 6: Final answer
    x = 924,722.68

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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.