Home / 626,823.40-940,638.30-346,541.80

Finding the Fourth Proportional to 626,823.40, 940,638.30 and 346,541.80

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Solution

The fourth proportional to 626,823.40, 940,638.30 and 346,541.80 is: 520,035.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,823.40 : 940,638.30 = 346,541.80 : x
  2. Step 2: Convert to fraction form
    626,823.40/940,638.30 = 346,541.80/x
  3. Step 3: Cross multiply
    626,823.40x = 940,638.30 × 346,541.80
  4. Step 4: Simplify right side
    626,823.40x = 325,970,489,630.94
  5. Step 5: Solve for x
    x = 325,970,489,630.94/626,823.40
  6. Step 6: Final answer
    x = 520,035.61

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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.