Home / 916,100.20-1,373,506.44-403,522.12

Finding the Fourth Proportional to 916,100.20, 1,373,506.44 and 403,522.12

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Solution

The fourth proportional to 916,100.20, 1,373,506.44 and 403,522.12 is: 604,999.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,100.20 : 1,373,506.44 = 403,522.12 : x
  2. Step 2: Convert to fraction form
    916,100.20/1,373,506.44 = 403,522.12/x
  3. Step 3: Cross multiply
    916,100.20x = 1,373,506.44 × 403,522.12
  4. Step 4: Simplify right side
    916,100.20x = 554,240,230,502.45
  5. Step 5: Solve for x
    x = 554,240,230,502.45/916,100.20
  6. Step 6: Final answer
    x = 604,999.57

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Double scale
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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.