Home / 563,986.37-777,846.88-495,858.89

Finding the Fourth Proportional to 563,986.37, 777,846.88 and 495,858.89

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Solution

The fourth proportional to 563,986.37, 777,846.88 and 495,858.89 is: 683,885.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,986.37 : 777,846.88 = 495,858.89 : x
  2. Step 2: Convert to fraction form
    563,986.37/777,846.88 = 495,858.89/x
  3. Step 3: Cross multiply
    563,986.37x = 777,846.88 × 495,858.89
  4. Step 4: Simplify right side
    563,986.37x = 385,702,293,071.20
  5. Step 5: Solve for x
    x = 385,702,293,071.20/563,986.37
  6. Step 6: Final answer
    x = 683,885.84

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1.5x scale

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.