Home / 648,839.84-888,895.79-624,581.22

Finding the Fourth Proportional to 648,839.84, 888,895.79 and 624,581.22

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Solution

The fourth proportional to 648,839.84, 888,895.79 and 624,581.22 is: 855,662.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,839.84 : 888,895.79 = 624,581.22 : x
  2. Step 2: Convert to fraction form
    648,839.84/888,895.79 = 624,581.22/x
  3. Step 3: Cross multiply
    648,839.84x = 888,895.79 × 624,581.22
  4. Step 4: Simplify right side
    648,839.84x = 555,187,613,848.16
  5. Step 5: Solve for x
    x = 555,187,613,848.16/648,839.84
  6. Step 6: Final answer
    x = 855,662.04

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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.