Home / 941,781.60-1,412,640.64-409,302.67

Finding the Fourth Proportional to 941,781.60, 1,412,640.64 and 409,302.67

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Solution

The fourth proportional to 941,781.60, 1,412,640.64 and 409,302.67 is: 613,940.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,781.60 : 1,412,640.64 = 409,302.67 : x
  2. Step 2: Convert to fraction form
    941,781.60/1,412,640.64 = 409,302.67/x
  3. Step 3: Cross multiply
    941,781.60x = 1,412,640.64 × 409,302.67
  4. Step 4: Simplify right side
    941,781.60x = 578,197,585,702.51
  5. Step 5: Solve for x
    x = 578,197,585,702.51/941,781.60
  6. Step 6: Final answer
    x = 613,940.20

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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.