Home / 464,929.10-697,065.60-212,330.60

Finding the Fourth Proportional to 464,929.10, 697,065.60 and 212,330.60

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Solution

The fourth proportional to 464,929.10, 697,065.60 and 212,330.60 is: 318,346.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,929.10 : 697,065.60 = 212,330.60 : x
  2. Step 2: Convert to fraction form
    464,929.10/697,065.60 = 212,330.60/x
  3. Step 3: Cross multiply
    464,929.10x = 697,065.60 × 212,330.60
  4. Step 4: Simplify right side
    464,929.10x = 148,008,357,087.36
  5. Step 5: Solve for x
    x = 148,008,357,087.36/464,929.10
  6. Step 6: Final answer
    x = 318,346.08

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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.