Home / 1,219,173.72-1,682,385.53-675,277.26

Finding the Fourth Proportional to 1,219,173.72, 1,682,385.53 and 675,277.26

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Solution

The fourth proportional to 1,219,173.72, 1,682,385.53 and 675,277.26 is: 931,841.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,173.72 : 1,682,385.53 = 675,277.26 : x
  2. Step 2: Convert to fraction form
    1,219,173.72/1,682,385.53 = 675,277.26/x
  3. Step 3: Cross multiply
    1,219,173.72x = 1,682,385.53 × 675,277.26
  4. Step 4: Simplify right side
    1,219,173.72x = 1,136,076,687,585.66
  5. Step 5: Solve for x
    x = 1,136,076,687,585.66/1,219,173.72
  6. Step 6: Final answer
    x = 931,841.52

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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.