Home / 683,777.40-943,585.25-397,274.93

Finding the Fourth Proportional to 683,777.40, 943,585.25 and 397,274.93

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Solution

The fourth proportional to 683,777.40, 943,585.25 and 397,274.93 is: 548,223.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,777.40 : 943,585.25 = 397,274.93 : x
  2. Step 2: Convert to fraction form
    683,777.40/943,585.25 = 397,274.93/x
  3. Step 3: Cross multiply
    683,777.40x = 943,585.25 × 397,274.93
  4. Step 4: Simplify right side
    683,777.40x = 374,862,763,211.60
  5. Step 5: Solve for x
    x = 374,862,763,211.60/683,777.40
  6. Step 6: Final answer
    x = 548,223.39

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Similar ratio
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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.