Home / 1,105,122.01-1,657,683.09-306,403.57

Finding the Fourth Proportional to 1,105,122.01, 1,657,683.09 and 306,403.57

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Solution

The fourth proportional to 1,105,122.01, 1,657,683.09 and 306,403.57 is: 459,605.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,122.01 : 1,657,683.09 = 306,403.57 : x
  2. Step 2: Convert to fraction form
    1,105,122.01/1,657,683.09 = 306,403.57/x
  3. Step 3: Cross multiply
    1,105,122.01x = 1,657,683.09 × 306,403.57
  4. Step 4: Simplify right side
    1,105,122.01x = 507,920,015,172.61
  5. Step 5: Solve for x
    x = 507,920,015,172.61/1,105,122.01
  6. Step 6: Final answer
    x = 459,605.37

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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.