Home / 692,153.32-1,038,223.53-218,838.73

Finding the Fourth Proportional to 692,153.32, 1,038,223.53 and 218,838.73

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Solution

The fourth proportional to 692,153.32, 1,038,223.53 and 218,838.73 is: 328,256.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,153.32 : 1,038,223.53 = 218,838.73 : x
  2. Step 2: Convert to fraction form
    692,153.32/1,038,223.53 = 218,838.73/x
  3. Step 3: Cross multiply
    692,153.32x = 1,038,223.53 × 218,838.73
  4. Step 4: Simplify right side
    692,153.32x = 227,203,518,761.32
  5. Step 5: Solve for x
    x = 227,203,518,761.32/692,153.32
  6. Step 6: Final answer
    x = 328,256.06

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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.