Home / 971,170.30-1,340,220.63-541,477.18

Finding the Fourth Proportional to 971,170.30, 1,340,220.63 and 541,477.18

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Solution

The fourth proportional to 971,170.30, 1,340,220.63 and 541,477.18 is: 747,241.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,170.30 : 1,340,220.63 = 541,477.18 : x
  2. Step 2: Convert to fraction form
    971,170.30/1,340,220.63 = 541,477.18/x
  3. Step 3: Cross multiply
    971,170.30x = 1,340,220.63 × 541,477.18
  4. Step 4: Simplify right side
    971,170.30x = 725,698,887,310.22
  5. Step 5: Solve for x
    x = 725,698,887,310.22/971,170.30
  6. Step 6: Final answer
    x = 747,241.64

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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.