Home / 648,835.70-888,890.06-624,577.06

Finding the Fourth Proportional to 648,835.70, 888,890.06 and 624,577.06

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Solution

The fourth proportional to 648,835.70, 888,890.06 and 624,577.06 is: 855,656.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,835.70 : 888,890.06 = 624,577.06 : x
  2. Step 2: Convert to fraction form
    648,835.70/888,890.06 = 624,577.06/x
  3. Step 3: Cross multiply
    648,835.70x = 888,890.06 × 624,577.06
  4. Step 4: Simplify right side
    648,835.70x = 555,180,340,338.02
  5. Step 5: Solve for x
    x = 555,180,340,338.02/648,835.70
  6. Step 6: Final answer
    x = 855,656.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.