Home / 463,620.36-695,539.02-143,755.40

Finding the Fourth Proportional to 463,620.36, 695,539.02 and 143,755.40

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Solution

The fourth proportional to 463,620.36, 695,539.02 and 143,755.40 is: 215,666.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,620.36 : 695,539.02 = 143,755.40 : x
  2. Step 2: Convert to fraction form
    463,620.36/695,539.02 = 143,755.40/x
  3. Step 3: Cross multiply
    463,620.36x = 695,539.02 × 143,755.40
  4. Step 4: Simplify right side
    463,620.36x = 99,987,490,035.71
  5. Step 5: Solve for x
    x = 99,987,490,035.71/463,620.36
  6. Step 6: Final answer
    x = 215,666.74

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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.