Home / 907,551.90-1,361,457.45-308,540.70

Finding the Fourth Proportional to 907,551.90, 1,361,457.45 and 308,540.70

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Solution

The fourth proportional to 907,551.90, 1,361,457.45 and 308,540.70 is: 462,855.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,551.90 : 1,361,457.45 = 308,540.70 : x
  2. Step 2: Convert to fraction form
    907,551.90/1,361,457.45 = 308,540.70/x
  3. Step 3: Cross multiply
    907,551.90x = 1,361,457.45 × 308,540.70
  4. Step 4: Simplify right side
    907,551.90x = 420,065,034,643.22
  5. Step 5: Solve for x
    x = 420,065,034,643.22/907,551.90
  6. Step 6: Final answer
    x = 462,855.11

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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.