Home / 810,197.84-1,118,073.12-470,687.96

Finding the Fourth Proportional to 810,197.84, 1,118,073.12 and 470,687.96

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Solution

The fourth proportional to 810,197.84, 1,118,073.12 and 470,687.96 is: 649,549.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,197.84 : 1,118,073.12 = 470,687.96 : x
  2. Step 2: Convert to fraction form
    810,197.84/1,118,073.12 = 470,687.96/x
  3. Step 3: Cross multiply
    810,197.84x = 1,118,073.12 × 470,687.96
  4. Step 4: Simplify right side
    810,197.84x = 526,263,555,983.64
  5. Step 5: Solve for x
    x = 526,263,555,983.64/810,197.84
  6. Step 6: Final answer
    x = 649,549.44

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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.