Home / 911,916.14-1,258,509.42-504,009.20

Finding the Fourth Proportional to 911,916.14, 1,258,509.42 and 504,009.20

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Solution

The fourth proportional to 911,916.14, 1,258,509.42 and 504,009.20 is: 695,568.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,916.14 : 1,258,509.42 = 504,009.20 : x
  2. Step 2: Convert to fraction form
    911,916.14/1,258,509.42 = 504,009.20/x
  3. Step 3: Cross multiply
    911,916.14x = 1,258,509.42 × 504,009.20
  4. Step 4: Simplify right side
    911,916.14x = 634,300,329,112.94
  5. Step 5: Solve for x
    x = 634,300,329,112.94/911,916.14
  6. Step 6: Final answer
    x = 695,568.71

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1.5x scale

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.