Home / 646,533.21-891,346.14-452,680.14

Finding the Fourth Proportional to 646,533.21, 891,346.14 and 452,680.14

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Solution

The fourth proportional to 646,533.21, 891,346.14 and 452,680.14 is: 624,089.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,533.21 : 891,346.14 = 452,680.14 : x
  2. Step 2: Convert to fraction form
    646,533.21/891,346.14 = 452,680.14/x
  3. Step 3: Cross multiply
    646,533.21x = 891,346.14 × 452,680.14
  4. Step 4: Simplify right side
    646,533.21x = 403,494,695,443.66
  5. Step 5: Solve for x
    x = 403,494,695,443.66/646,533.21
  6. Step 6: Final answer
    x = 624,089.67

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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.