Home / 898,364.88-1,239,625.76-535,831.29

Finding the Fourth Proportional to 898,364.88, 1,239,625.76 and 535,831.29

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Solution

The fourth proportional to 898,364.88, 1,239,625.76 and 535,831.29 is: 739,376.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,364.88 : 1,239,625.76 = 535,831.29 : x
  2. Step 2: Convert to fraction form
    898,364.88/1,239,625.76 = 535,831.29/x
  3. Step 3: Cross multiply
    898,364.88x = 1,239,625.76 × 535,831.29
  4. Step 4: Simplify right side
    898,364.88x = 664,230,267,418.87
  5. Step 5: Solve for x
    x = 664,230,267,418.87/898,364.88
  6. Step 6: Final answer
    x = 739,376.93

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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.