Home / 1,019,522.94-1,529,185.50-309,557.14

Finding the Fourth Proportional to 1,019,522.94, 1,529,185.50 and 309,557.14

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Solution

The fourth proportional to 1,019,522.94, 1,529,185.50 and 309,557.14 is: 464,305.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,522.94 : 1,529,185.50 = 309,557.14 : x
  2. Step 2: Convert to fraction form
    1,019,522.94/1,529,185.50 = 309,557.14/x
  3. Step 3: Cross multiply
    1,019,522.94x = 1,529,185.50 × 309,557.14
  4. Step 4: Simplify right side
    1,019,522.94x = 473,370,289,909.47
  5. Step 5: Solve for x
    x = 473,370,289,909.47/1,019,522.94
  6. Step 6: Final answer
    x = 464,305.68

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Half scale
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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.