Home / 958,204.70-1,437,307.05-485,812.70

Finding the Fourth Proportional to 958,204.70, 1,437,307.05 and 485,812.70

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Solution

The fourth proportional to 958,204.70, 1,437,307.05 and 485,812.70 is: 728,719.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,204.70 : 1,437,307.05 = 485,812.70 : x
  2. Step 2: Convert to fraction form
    958,204.70/1,437,307.05 = 485,812.70/x
  3. Step 3: Cross multiply
    958,204.70x = 1,437,307.05 × 485,812.70
  4. Step 4: Simplify right side
    958,204.70x = 698,262,018,689.54
  5. Step 5: Solve for x
    x = 698,262,018,689.54/958,204.70
  6. Step 6: Final answer
    x = 728,719.05

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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.