Home / 891,555.21-1,230,023.28-585,796.26

Finding the Fourth Proportional to 891,555.21, 1,230,023.28 and 585,796.26

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Solution

The fourth proportional to 891,555.21, 1,230,023.28 and 585,796.26 is: 808,186.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,555.21 : 1,230,023.28 = 585,796.26 : x
  2. Step 2: Convert to fraction form
    891,555.21/1,230,023.28 = 585,796.26/x
  3. Step 3: Cross multiply
    891,555.21x = 1,230,023.28 × 585,796.26
  4. Step 4: Simplify right side
    891,555.21x = 720,543,037,136.93
  5. Step 5: Solve for x
    x = 720,543,037,136.93/891,555.21
  6. Step 6: Final answer
    x = 808,186.67

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Double scale
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1.5x scale

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.