Home / 971,143.82-1,341,024.69-609,189.85

Finding the Fourth Proportional to 971,143.82, 1,341,024.69 and 609,189.85

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Solution

The fourth proportional to 971,143.82, 1,341,024.69 and 609,189.85 is: 841,212.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,143.82 : 1,341,024.69 = 609,189.85 : x
  2. Step 2: Convert to fraction form
    971,143.82/1,341,024.69 = 609,189.85/x
  3. Step 3: Cross multiply
    971,143.82x = 1,341,024.69 × 609,189.85
  4. Step 4: Simplify right side
    971,143.82x = 816,938,629,747.40
  5. Step 5: Solve for x
    x = 816,938,629,747.40/971,143.82
  6. Step 6: Final answer
    x = 841,212.82

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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.