Home / 677,677.07-935,558.60-523,427.45

Finding the Fourth Proportional to 677,677.07, 935,558.60 and 523,427.45

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Solution

The fourth proportional to 677,677.07, 935,558.60 and 523,427.45 is: 722,611.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,677.07 : 935,558.60 = 523,427.45 : x
  2. Step 2: Convert to fraction form
    677,677.07/935,558.60 = 523,427.45/x
  3. Step 3: Cross multiply
    677,677.07x = 935,558.60 × 523,427.45
  4. Step 4: Simplify right side
    677,677.07x = 489,697,045,028.64
  5. Step 5: Solve for x
    x = 489,697,045,028.64/677,677.07
  6. Step 6: Final answer
    x = 722,611.20

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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.