Home / 649,984.83-975,317.19-266,018.70

Finding the Fourth Proportional to 649,984.83, 975,317.19 and 266,018.70

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Solution

The fourth proportional to 649,984.83, 975,317.19 and 266,018.70 is: 399,167.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,984.83 : 975,317.19 = 266,018.70 : x
  2. Step 2: Convert to fraction form
    649,984.83/975,317.19 = 266,018.70/x
  3. Step 3: Cross multiply
    649,984.83x = 975,317.19 × 266,018.70
  4. Step 4: Simplify right side
    649,984.83x = 259,452,610,971.45
  5. Step 5: Solve for x
    x = 259,452,610,971.45/649,984.83
  6. Step 6: Final answer
    x = 399,167.18

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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.