Home / 628,021.60-942,032.40-603,527.20

Finding the Fourth Proportional to 628,021.60, 942,032.40 and 603,527.20

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Solution

The fourth proportional to 628,021.60, 942,032.40 and 603,527.20 is: 905,290.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,021.60 : 942,032.40 = 603,527.20 : x
  2. Step 2: Convert to fraction form
    628,021.60/942,032.40 = 603,527.20/x
  3. Step 3: Cross multiply
    628,021.60x = 942,032.40 × 603,527.20
  4. Step 4: Simplify right side
    628,021.60x = 568,542,176,681.28
  5. Step 5: Solve for x
    x = 568,542,176,681.28/628,021.60
  6. Step 6: Final answer
    x = 905,290.80

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Similar ratio
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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.