Home / 1,071,878.23-1,605,715.35-621,653.32

Finding the Fourth Proportional to 1,071,878.23, 1,605,715.35 and 621,653.32

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Solution

The fourth proportional to 1,071,878.23, 1,605,715.35 and 621,653.32 is: 931,260.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,878.23 : 1,605,715.35 = 621,653.32 : x
  2. Step 2: Convert to fraction form
    1,071,878.23/1,605,715.35 = 621,653.32/x
  3. Step 3: Cross multiply
    1,071,878.23x = 1,605,715.35 × 621,653.32
  4. Step 4: Simplify right side
    1,071,878.23x = 998,198,278,302.46
  5. Step 5: Solve for x
    x = 998,198,278,302.46/1,071,878.23
  6. Step 6: Final answer
    x = 931,260.89

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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.