Home / 624,890.54-938,831.18-400,690.24

Finding the Fourth Proportional to 624,890.54, 938,831.18 and 400,690.24

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Solution

The fourth proportional to 624,890.54, 938,831.18 and 400,690.24 is: 601,994.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,890.54 : 938,831.18 = 400,690.24 : x
  2. Step 2: Convert to fraction form
    624,890.54/938,831.18 = 400,690.24/x
  3. Step 3: Cross multiply
    624,890.54x = 938,831.18 × 400,690.24
  4. Step 4: Simplify right side
    624,890.54x = 376,180,486,483.15
  5. Step 5: Solve for x
    x = 376,180,486,483.15/624,890.54
  6. Step 6: Final answer
    x = 601,994.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.