Home / 682,436.67-941,772.20-376,526.40

Finding the Fourth Proportional to 682,436.67, 941,772.20 and 376,526.40

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Solution

The fourth proportional to 682,436.67, 941,772.20 and 376,526.40 is: 519,611.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,436.67 : 941,772.20 = 376,526.40 : x
  2. Step 2: Convert to fraction form
    682,436.67/941,772.20 = 376,526.40/x
  3. Step 3: Cross multiply
    682,436.67x = 941,772.20 × 376,526.40
  4. Step 4: Simplify right side
    682,436.67x = 354,602,094,203.45
  5. Step 5: Solve for x
    x = 354,602,094,203.45/682,436.67
  6. Step 6: Final answer
    x = 519,611.72

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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.