Home / 1,117,718.63-1,542,653.00-658,806.40

Finding the Fourth Proportional to 1,117,718.63, 1,542,653.00 and 658,806.40

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Solution

The fourth proportional to 1,117,718.63, 1,542,653.00 and 658,806.40 is: 909,271.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,718.63 : 1,542,653.00 = 658,806.40 : x
  2. Step 2: Convert to fraction form
    1,117,718.63/1,542,653.00 = 658,806.40/x
  3. Step 3: Cross multiply
    1,117,718.63x = 1,542,653.00 × 658,806.40
  4. Step 4: Simplify right side
    1,117,718.63x = 1,016,309,670,484.01
  5. Step 5: Solve for x
    x = 1,016,309,670,484.01/1,117,718.63
  6. Step 6: Final answer
    x = 909,271.48

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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.