Home / 912,613.56-1,368,815.73-238,759.89

Finding the Fourth Proportional to 912,613.56, 1,368,815.73 and 238,759.89

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Solution

The fourth proportional to 912,613.56, 1,368,815.73 and 238,759.89 is: 358,112.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,613.56 : 1,368,815.73 = 238,759.89 : x
  2. Step 2: Convert to fraction form
    912,613.56/1,368,815.73 = 238,759.89/x
  3. Step 3: Cross multiply
    912,613.56x = 1,368,815.73 × 238,759.89
  4. Step 4: Simplify right side
    912,613.56x = 326,818,293,125.07
  5. Step 5: Solve for x
    x = 326,818,293,125.07/912,613.56
  6. Step 6: Final answer
    x = 358,112.47

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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.