Home / 692,153.52-1,038,224.16-218,839.20

Finding the Fourth Proportional to 692,153.52, 1,038,224.16 and 218,839.20

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Solution

The fourth proportional to 692,153.52, 1,038,224.16 and 218,839.20 is: 328,256.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,153.52 : 1,038,224.16 = 218,839.20 : x
  2. Step 2: Convert to fraction form
    692,153.52/1,038,224.16 = 218,839.20/x
  3. Step 3: Cross multiply
    692,153.52x = 1,038,224.16 × 218,839.20
  4. Step 4: Simplify right side
    692,153.52x = 227,204,144,595.07
  5. Step 5: Solve for x
    x = 227,204,144,595.07/692,153.52
  6. Step 6: Final answer
    x = 328,256.87

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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.