Home / 955,101.20-1,318,032.26-525,371.90

Finding the Fourth Proportional to 955,101.20, 1,318,032.26 and 525,371.90

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Solution

The fourth proportional to 955,101.20, 1,318,032.26 and 525,371.90 is: 725,009.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,101.20 : 1,318,032.26 = 525,371.90 : x
  2. Step 2: Convert to fraction form
    955,101.20/1,318,032.26 = 525,371.90/x
  3. Step 3: Cross multiply
    955,101.20x = 1,318,032.26 × 525,371.90
  4. Step 4: Simplify right side
    955,101.20x = 692,457,112,697.49
  5. Step 5: Solve for x
    x = 692,457,112,697.49/955,101.20
  6. Step 6: Final answer
    x = 725,009.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.