Home / 657,947.20-985,608.60-377,136.40

Finding the Fourth Proportional to 657,947.20, 985,608.60 and 377,136.40

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Solution

The fourth proportional to 657,947.20, 985,608.60 and 377,136.40 is: 564,952.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,947.20 : 985,608.60 = 377,136.40 : x
  2. Step 2: Convert to fraction form
    657,947.20/985,608.60 = 377,136.40/x
  3. Step 3: Cross multiply
    657,947.20x = 985,608.60 × 377,136.40
  4. Step 4: Simplify right side
    657,947.20x = 371,708,879,213.04
  5. Step 5: Solve for x
    x = 371,708,879,213.04/657,947.20
  6. Step 6: Final answer
    x = 564,952.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.