Home / 830,383.72-1,144,735.14-591,505

Finding the Fourth Proportional to 830,383.72, 1,144,735.14 and 591,505

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Solution

The fourth proportional to 830,383.72, 1,144,735.14 and 591,505 is: 815,426.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,383.72 : 1,144,735.14 = 591,505 : x
  2. Step 2: Convert to fraction form
    830,383.72/1,144,735.14 = 591,505/x
  3. Step 3: Cross multiply
    830,383.72x = 1,144,735.14 × 591,505
  4. Step 4: Simplify right side
    830,383.72x = 677,116,558,985.70
  5. Step 5: Solve for x
    x = 677,116,558,985.70/830,383.72
  6. Step 6: Final answer
    x = 815,426.10

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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.