Home / 1,036,774.51-1,555,056.60-278,517.45

Finding the Fourth Proportional to 1,036,774.51, 1,555,056.60 and 278,517.45

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Solution

The fourth proportional to 1,036,774.51, 1,555,056.60 and 278,517.45 is: 417,747.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,774.51 : 1,555,056.60 = 278,517.45 : x
  2. Step 2: Convert to fraction form
    1,036,774.51/1,555,056.60 = 278,517.45/x
  3. Step 3: Cross multiply
    1,036,774.51x = 1,555,056.60 × 278,517.45
  4. Step 4: Simplify right side
    1,036,774.51x = 433,110,398,837.67
  5. Step 5: Solve for x
    x = 433,110,398,837.67/1,036,774.51
  6. Step 6: Final answer
    x = 417,747.92

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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.