Home / 579,178.37-798,792.26-407,664.11

Finding the Fourth Proportional to 579,178.37, 798,792.26 and 407,664.11

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Solution

The fourth proportional to 579,178.37, 798,792.26 and 407,664.11 is: 562,242.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,178.37 : 798,792.26 = 407,664.11 : x
  2. Step 2: Convert to fraction form
    579,178.37/798,792.26 = 407,664.11/x
  3. Step 3: Cross multiply
    579,178.37x = 798,792.26 × 407,664.11
  4. Step 4: Simplify right side
    579,178.37x = 325,638,935,706.45
  5. Step 5: Solve for x
    x = 325,638,935,706.45/579,178.37
  6. Step 6: Final answer
    x = 562,242.91

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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.