Home / 714,017.64-1,071,203.72-354,357.29

Finding the Fourth Proportional to 714,017.64, 1,071,203.72 and 354,357.29

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Solution

The fourth proportional to 714,017.64, 1,071,203.72 and 354,357.29 is: 531,623.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,017.64 : 1,071,203.72 = 354,357.29 : x
  2. Step 2: Convert to fraction form
    714,017.64/1,071,203.72 = 354,357.29/x
  3. Step 3: Cross multiply
    714,017.64x = 1,071,203.72 × 354,357.29
  4. Step 4: Simplify right side
    714,017.64x = 379,588,847,257.12
  5. Step 5: Solve for x
    x = 379,588,847,257.12/714,017.64
  6. Step 6: Final answer
    x = 531,623.91

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Double scale
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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.