Home / 1,039,221.56-1,433,597.40-631,214.84

Finding the Fourth Proportional to 1,039,221.56, 1,433,597.40 and 631,214.84

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Solution

The fourth proportional to 1,039,221.56, 1,433,597.40 and 631,214.84 is: 870,755.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,221.56 : 1,433,597.40 = 631,214.84 : x
  2. Step 2: Convert to fraction form
    1,039,221.56/1,433,597.40 = 631,214.84/x
  3. Step 3: Cross multiply
    1,039,221.56x = 1,433,597.40 × 631,214.84
  4. Step 4: Simplify right side
    1,039,221.56x = 904,907,953,465.42
  5. Step 5: Solve for x
    x = 904,907,953,465.42/1,039,221.56
  6. Step 6: Final answer
    x = 870,755.56

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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.