Home / 703,675.08-1,055,778.30-423,389.16

Finding the Fourth Proportional to 703,675.08, 1,055,778.30 and 423,389.16

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Solution

The fourth proportional to 703,675.08, 1,055,778.30 and 423,389.16 is: 635,243.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,675.08 : 1,055,778.30 = 423,389.16 : x
  2. Step 2: Convert to fraction form
    703,675.08/1,055,778.30 = 423,389.16/x
  3. Step 3: Cross multiply
    703,675.08x = 1,055,778.30 × 423,389.16
  4. Step 4: Simplify right side
    703,675.08x = 447,005,087,583.23
  5. Step 5: Solve for x
    x = 447,005,087,583.23/703,675.08
  6. Step 6: Final answer
    x = 635,243.60

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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.