Home / 877,739.78-1,316,609.67-246,653.59

Finding the Fourth Proportional to 877,739.78, 1,316,609.67 and 246,653.59

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Solution

The fourth proportional to 877,739.78, 1,316,609.67 and 246,653.59 is: 369,980.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,739.78 : 1,316,609.67 = 246,653.59 : x
  2. Step 2: Convert to fraction form
    877,739.78/1,316,609.67 = 246,653.59/x
  3. Step 3: Cross multiply
    877,739.78x = 1,316,609.67 × 246,653.59
  4. Step 4: Simplify right side
    877,739.78x = 324,746,501,734.22
  5. Step 5: Solve for x
    x = 324,746,501,734.22/877,739.78
  6. Step 6: Final answer
    x = 369,980.39

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Similar ratio
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1.5x scale

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.