Home / 679,117.06-1,017,729.37-510,440.59

Finding the Fourth Proportional to 679,117.06, 1,017,729.37 and 510,440.59

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Solution

The fourth proportional to 679,117.06, 1,017,729.37 and 510,440.59 is: 764,949.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,117.06 : 1,017,729.37 = 510,440.59 : x
  2. Step 2: Convert to fraction form
    679,117.06/1,017,729.37 = 510,440.59/x
  3. Step 3: Cross multiply
    679,117.06x = 1,017,729.37 × 510,440.59
  4. Step 4: Simplify right side
    679,117.06x = 519,490,380,083.13
  5. Step 5: Solve for x
    x = 519,490,380,083.13/679,117.06
  6. Step 6: Final answer
    x = 764,949.68

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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.