Home / 890,996.40-1,336,494.60-575,809.20

Finding the Fourth Proportional to 890,996.40, 1,336,494.60 and 575,809.20

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Solution

The fourth proportional to 890,996.40, 1,336,494.60 and 575,809.20 is: 863,713.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,996.40 : 1,336,494.60 = 575,809.20 : x
  2. Step 2: Convert to fraction form
    890,996.40/1,336,494.60 = 575,809.20/x
  3. Step 3: Cross multiply
    890,996.40x = 1,336,494.60 × 575,809.20
  4. Step 4: Simplify right side
    890,996.40x = 769,565,886,430.32
  5. Step 5: Solve for x
    x = 769,565,886,430.32/890,996.40
  6. Step 6: Final answer
    x = 863,713.80

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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.