Home / 971,141.69-1,341,021.76-609,187.73

Finding the Fourth Proportional to 971,141.69, 1,341,021.76 and 609,187.73

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Solution

The fourth proportional to 971,141.69, 1,341,021.76 and 609,187.73 is: 841,209.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,141.69 : 1,341,021.76 = 609,187.73 : x
  2. Step 2: Convert to fraction form
    971,141.69/1,341,021.76 = 609,187.73/x
  3. Step 3: Cross multiply
    971,141.69x = 1,341,021.76 × 609,187.73
  4. Step 4: Simplify right side
    971,141.69x = 816,933,993,626.93
  5. Step 5: Solve for x
    x = 816,933,993,626.93/971,141.69
  6. Step 6: Final answer
    x = 841,209.89

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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.