Home / 911,805.08-1,258,252.26-503,922.20

Finding the Fourth Proportional to 911,805.08, 1,258,252.26 and 503,922.20

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Solution

The fourth proportional to 911,805.08, 1,258,252.26 and 503,922.20 is: 695,391.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,805.08 : 1,258,252.26 = 503,922.20 : x
  2. Step 2: Convert to fraction form
    911,805.08/1,258,252.26 = 503,922.20/x
  3. Step 3: Cross multiply
    911,805.08x = 1,258,252.26 × 503,922.20
  4. Step 4: Simplify right side
    911,805.08x = 634,061,247,014.17
  5. Step 5: Solve for x
    x = 634,061,247,014.17/911,805.08
  6. Step 6: Final answer
    x = 695,391.22

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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.