Home / 464,905.60-697,030.35-212,307.10

Finding the Fourth Proportional to 464,905.60, 697,030.35 and 212,307.10

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Solution

The fourth proportional to 464,905.60, 697,030.35 and 212,307.10 is: 318,310.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,905.60 : 697,030.35 = 212,307.10 : x
  2. Step 2: Convert to fraction form
    464,905.60/697,030.35 = 212,307.10/x
  3. Step 3: Cross multiply
    464,905.60x = 697,030.35 × 212,307.10
  4. Step 4: Simplify right side
    464,905.60x = 147,984,492,220.49
  5. Step 5: Solve for x
    x = 147,984,492,220.49/464,905.60
  6. Step 6: Final answer
    x = 318,310.84

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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.