Home / 604,829.20-907,243.80-415,872.40

Finding the Fourth Proportional to 604,829.20, 907,243.80 and 415,872.40

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Solution

The fourth proportional to 604,829.20, 907,243.80 and 415,872.40 is: 623,808.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,829.20 : 907,243.80 = 415,872.40 : x
  2. Step 2: Convert to fraction form
    604,829.20/907,243.80 = 415,872.40/x
  3. Step 3: Cross multiply
    604,829.20x = 907,243.80 × 415,872.40
  4. Step 4: Simplify right side
    604,829.20x = 377,297,656,491.12
  5. Step 5: Solve for x
    x = 377,297,656,491.12/604,829.20
  6. Step 6: Final answer
    x = 623,808.60

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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.