Home / 1,019,713.40-1,529,570.10-488,272.40

Finding the Fourth Proportional to 1,019,713.40, 1,529,570.10 and 488,272.40

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Solution

The fourth proportional to 1,019,713.40, 1,529,570.10 and 488,272.40 is: 732,408.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,713.40 : 1,529,570.10 = 488,272.40 : x
  2. Step 2: Convert to fraction form
    1,019,713.40/1,529,570.10 = 488,272.40/x
  3. Step 3: Cross multiply
    1,019,713.40x = 1,529,570.10 × 488,272.40
  4. Step 4: Simplify right side
    1,019,713.40x = 746,846,863,695.24
  5. Step 5: Solve for x
    x = 746,846,863,695.24/1,019,713.40
  6. Step 6: Final answer
    x = 732,408.60

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Double scale
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Similar ratio
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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.