Home / 694,424.77-958,333.46-407,942.35

Finding the Fourth Proportional to 694,424.77, 958,333.46 and 407,942.35

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Solution

The fourth proportional to 694,424.77, 958,333.46 and 407,942.35 is: 562,976.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,424.77 : 958,333.46 = 407,942.35 : x
  2. Step 2: Convert to fraction form
    694,424.77/958,333.46 = 407,942.35/x
  3. Step 3: Cross multiply
    694,424.77x = 958,333.46 × 407,942.35
  4. Step 4: Simplify right side
    694,424.77x = 390,944,799,320.49
  5. Step 5: Solve for x
    x = 390,944,799,320.49/694,424.77
  6. Step 6: Final answer
    x = 562,976.46

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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.