Home / 683,213.01-942,823.23-377,281.79

Finding the Fourth Proportional to 683,213.01, 942,823.23 and 377,281.79

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Solution

The fourth proportional to 683,213.01, 942,823.23 and 377,281.79 is: 520,642.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,213.01 : 942,823.23 = 377,281.79 : x
  2. Step 2: Convert to fraction form
    683,213.01/942,823.23 = 377,281.79/x
  3. Step 3: Cross multiply
    683,213.01x = 942,823.23 × 377,281.79
  4. Step 4: Simplify right side
    683,213.01x = 355,710,031,153.87
  5. Step 5: Solve for x
    x = 355,710,031,153.87/683,213.01
  6. Step 6: Final answer
    x = 520,642.94

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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.