Home / 654,903.48-903,435.98-382,793.60

Finding the Fourth Proportional to 654,903.48, 903,435.98 and 382,793.60

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Solution

The fourth proportional to 654,903.48, 903,435.98 and 382,793.60 is: 528,061.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,903.48 : 903,435.98 = 382,793.60 : x
  2. Step 2: Convert to fraction form
    654,903.48/903,435.98 = 382,793.60/x
  3. Step 3: Cross multiply
    654,903.48x = 903,435.98 × 382,793.60
  4. Step 4: Simplify right side
    654,903.48x = 345,829,514,369.30
  5. Step 5: Solve for x
    x = 345,829,514,369.30/654,903.48
  6. Step 6: Final answer
    x = 528,061.81

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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.