Home / 891,131.60-1,336,697.40-555,208.40

Finding the Fourth Proportional to 891,131.60, 1,336,697.40 and 555,208.40

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Solution

The fourth proportional to 891,131.60, 1,336,697.40 and 555,208.40 is: 832,812.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,131.60 : 1,336,697.40 = 555,208.40 : x
  2. Step 2: Convert to fraction form
    891,131.60/1,336,697.40 = 555,208.40/x
  3. Step 3: Cross multiply
    891,131.60x = 1,336,697.40 × 555,208.40
  4. Step 4: Simplify right side
    891,131.60x = 742,145,624,738.16
  5. Step 5: Solve for x
    x = 742,145,624,738.16/891,131.60
  6. Step 6: Final answer
    x = 832,812.60

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Double scale
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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.