Home / 976,015.42-1,346,887.32-540,391.03

Finding the Fourth Proportional to 976,015.42, 1,346,887.32 and 540,391.03

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Solution

The fourth proportional to 976,015.42, 1,346,887.32 and 540,391.03 is: 745,731.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,015.42 : 1,346,887.32 = 540,391.03 : x
  2. Step 2: Convert to fraction form
    976,015.42/1,346,887.32 = 540,391.03/x
  3. Step 3: Cross multiply
    976,015.42x = 1,346,887.32 × 540,391.03
  4. Step 4: Simplify right side
    976,015.42x = 727,845,826,148.74
  5. Step 5: Solve for x
    x = 727,845,826,148.74/976,015.42
  6. Step 6: Final answer
    x = 745,731.89

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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.