Home / 744,034.81-1,026,389.50-486,062.76

Finding the Fourth Proportional to 744,034.81, 1,026,389.50 and 486,062.76

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Solution

The fourth proportional to 744,034.81, 1,026,389.50 and 486,062.76 is: 670,519.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,034.81 : 1,026,389.50 = 486,062.76 : x
  2. Step 2: Convert to fraction form
    744,034.81/1,026,389.50 = 486,062.76/x
  3. Step 3: Cross multiply
    744,034.81x = 1,026,389.50 × 486,062.76
  4. Step 4: Simplify right side
    744,034.81x = 498,889,713,205.02
  5. Step 5: Solve for x
    x = 498,889,713,205.02/744,034.81
  6. Step 6: Final answer
    x = 670,519.32

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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.