Home / 727,261.70-1,003,690.90-404,971.70

Finding the Fourth Proportional to 727,261.70, 1,003,690.90 and 404,971.70

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Solution

The fourth proportional to 727,261.70, 1,003,690.90 and 404,971.70 is: 558,899.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,261.70 : 1,003,690.90 = 404,971.70 : x
  2. Step 2: Convert to fraction form
    727,261.70/1,003,690.90 = 404,971.70/x
  3. Step 3: Cross multiply
    727,261.70x = 1,003,690.90 × 404,971.70
  4. Step 4: Simplify right side
    727,261.70x = 406,466,410,047.53
  5. Step 5: Solve for x
    x = 406,466,410,047.53/727,261.70
  6. Step 6: Final answer
    x = 558,899.79

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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.