Home / 911,916.08-1,258,509.31-504,009.15

Finding the Fourth Proportional to 911,916.08, 1,258,509.31 and 504,009.15

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Solution

The fourth proportional to 911,916.08, 1,258,509.31 and 504,009.15 is: 695,568.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,916.08 : 1,258,509.31 = 504,009.15 : x
  2. Step 2: Convert to fraction form
    911,916.08/1,258,509.31 = 504,009.15/x
  3. Step 3: Cross multiply
    911,916.08x = 1,258,509.31 × 504,009.15
  4. Step 4: Simplify right side
    911,916.08x = 634,300,207,600.19
  5. Step 5: Solve for x
    x = 634,300,207,600.19/911,916.08
  6. Step 6: Final answer
    x = 695,568.62

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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.