Home / 683,927.63-943,790.76-377,988.20

Finding the Fourth Proportional to 683,927.63, 943,790.76 and 377,988.20

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Solution

The fourth proportional to 683,927.63, 943,790.76 and 377,988.20 is: 521,607.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,927.63 : 943,790.76 = 377,988.20 : x
  2. Step 2: Convert to fraction form
    683,927.63/943,790.76 = 377,988.20/x
  3. Step 3: Cross multiply
    683,927.63x = 943,790.76 × 377,988.20
  4. Step 4: Simplify right side
    683,927.63x = 356,741,770,549.03
  5. Step 5: Solve for x
    x = 356,741,770,549.03/683,927.63
  6. Step 6: Final answer
    x = 521,607.48

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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.