Home / 683,461.84-943,138.25-408,130.37

Finding the Fourth Proportional to 683,461.84, 943,138.25 and 408,130.37

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Solution

The fourth proportional to 683,461.84, 943,138.25 and 408,130.37 is: 563,196.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,461.84 : 943,138.25 = 408,130.37 : x
  2. Step 2: Convert to fraction form
    683,461.84/943,138.25 = 408,130.37/x
  3. Step 3: Cross multiply
    683,461.84x = 943,138.25 × 408,130.37
  4. Step 4: Simplify right side
    683,461.84x = 384,923,360,893.00
  5. Step 5: Solve for x
    x = 384,923,360,893.00/683,461.84
  6. Step 6: Final answer
    x = 563,196.57

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Double scale
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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.