Home / 955,118.30-1,318,066.37-525,431.12

Finding the Fourth Proportional to 955,118.30, 1,318,066.37 and 525,431.12

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Solution

The fourth proportional to 955,118.30, 1,318,066.37 and 525,431.12 is: 725,096.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,118.30 : 1,318,066.37 = 525,431.12 : x
  2. Step 2: Convert to fraction form
    955,118.30/1,318,066.37 = 525,431.12/x
  3. Step 3: Cross multiply
    955,118.30x = 1,318,066.37 × 525,431.12
  4. Step 4: Simplify right side
    955,118.30x = 692,553,079,805.95
  5. Step 5: Solve for x
    x = 692,553,079,805.95/955,118.30
  6. Step 6: Final answer
    x = 725,096.65

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1.5x scale

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.