Home / 955,742.37-1,432,810.03-639,233.25

Finding the Fourth Proportional to 955,742.37, 1,432,810.03 and 639,233.25

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Solution

The fourth proportional to 955,742.37, 1,432,810.03 and 639,233.25 is: 958,312.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,742.37 : 1,432,810.03 = 639,233.25 : x
  2. Step 2: Convert to fraction form
    955,742.37/1,432,810.03 = 639,233.25/x
  3. Step 3: Cross multiply
    955,742.37x = 1,432,810.03 × 639,233.25
  4. Step 4: Simplify right side
    955,742.37x = 915,899,812,109.50
  5. Step 5: Solve for x
    x = 915,899,812,109.50/955,742.37
  6. Step 6: Final answer
    x = 958,312.45

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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.