Home / 634,013.59-874,961.18-347,533.60

Finding the Fourth Proportional to 634,013.59, 874,961.18 and 347,533.60

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Solution

The fourth proportional to 634,013.59, 874,961.18 and 347,533.60 is: 479,608.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,013.59 : 874,961.18 = 347,533.60 : x
  2. Step 2: Convert to fraction form
    634,013.59/874,961.18 = 347,533.60/x
  3. Step 3: Cross multiply
    634,013.59x = 874,961.18 × 347,533.60
  4. Step 4: Simplify right side
    634,013.59x = 304,078,408,745.65
  5. Step 5: Solve for x
    x = 304,078,408,745.65/634,013.59
  6. Step 6: Final answer
    x = 479,608.66

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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.