Home / 637,029.48-879,136.98-365,142.60

Finding the Fourth Proportional to 637,029.48, 879,136.98 and 365,142.60

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Solution

The fourth proportional to 637,029.48, 879,136.98 and 365,142.60 is: 503,917.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,029.48 : 879,136.98 = 365,142.60 : x
  2. Step 2: Convert to fraction form
    637,029.48/879,136.98 = 365,142.60/x
  3. Step 3: Cross multiply
    637,029.48x = 879,136.98 × 365,142.60
  4. Step 4: Simplify right side
    637,029.48x = 321,010,362,633.35
  5. Step 5: Solve for x
    x = 321,010,362,633.35/637,029.48
  6. Step 6: Final answer
    x = 503,917.59

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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.