Home / 697,671.37-962,774.25-391,750.18

Finding the Fourth Proportional to 697,671.37, 962,774.25 and 391,750.18

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Solution

The fourth proportional to 697,671.37, 962,774.25 and 391,750.18 is: 540,608.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,671.37 : 962,774.25 = 391,750.18 : x
  2. Step 2: Convert to fraction form
    697,671.37/962,774.25 = 391,750.18/x
  3. Step 3: Cross multiply
    697,671.37x = 962,774.25 × 391,750.18
  4. Step 4: Simplify right side
    697,671.37x = 377,166,985,736.87
  5. Step 5: Solve for x
    x = 377,166,985,736.87/697,671.37
  6. Step 6: Final answer
    x = 540,608.38

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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.