Home / 453,725.20-679,896.60-383,222.80

Finding the Fourth Proportional to 453,725.20, 679,896.60 and 383,222.80

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Solution

The fourth proportional to 453,725.20, 679,896.60 and 383,222.80 is: 574,250.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,725.20 : 679,896.60 = 383,222.80 : x
  2. Step 2: Convert to fraction form
    453,725.20/679,896.60 = 383,222.80/x
  3. Step 3: Cross multiply
    453,725.20x = 679,896.60 × 383,222.80
  4. Step 4: Simplify right side
    453,725.20x = 260,551,878,762.48
  5. Step 5: Solve for x
    x = 260,551,878,762.48/453,725.20
  6. Step 6: Final answer
    x = 574,250.40

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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.