Home / 899,512.40-1,348,404.60-520,043.60

Finding the Fourth Proportional to 899,512.40, 1,348,404.60 and 520,043.60

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Solution

The fourth proportional to 899,512.40, 1,348,404.60 and 520,043.60 is: 779,565.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,512.40 : 1,348,404.60 = 520,043.60 : x
  2. Step 2: Convert to fraction form
    899,512.40/1,348,404.60 = 520,043.60/x
  3. Step 3: Cross multiply
    899,512.40x = 1,348,404.60 × 520,043.60
  4. Step 4: Simplify right side
    899,512.40x = 701,229,182,440.56
  5. Step 5: Solve for x
    x = 701,229,182,440.56/899,512.40
  6. Step 6: Final answer
    x = 779,565.89

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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.