Home / 921,874.18-1,271,734.18-616,025.64

Finding the Fourth Proportional to 921,874.18, 1,271,734.18 and 616,025.64

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Solution

The fourth proportional to 921,874.18, 1,271,734.18 and 616,025.64 is: 849,813.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,874.18 : 1,271,734.18 = 616,025.64 : x
  2. Step 2: Convert to fraction form
    921,874.18/1,271,734.18 = 616,025.64/x
  3. Step 3: Cross multiply
    921,874.18x = 1,271,734.18 × 616,025.64
  4. Step 4: Simplify right side
    921,874.18x = 783,420,862,144.38
  5. Step 5: Solve for x
    x = 783,420,862,144.38/921,874.18
  6. Step 6: Final answer
    x = 849,813.22

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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.