Home / 810,126.72-1,214,133.12-586,241.28

Finding the Fourth Proportional to 810,126.72, 1,214,133.12 and 586,241.28

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Solution

The fourth proportional to 810,126.72, 1,214,133.12 and 586,241.28 is: 878,597.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,126.72 : 1,214,133.12 = 586,241.28 : x
  2. Step 2: Convert to fraction form
    810,126.72/1,214,133.12 = 586,241.28/x
  3. Step 3: Cross multiply
    810,126.72x = 1,214,133.12 × 586,241.28
  4. Step 4: Simplify right side
    810,126.72x = 711,774,954,359.19
  5. Step 5: Solve for x
    x = 711,774,954,359.19/810,126.72
  6. Step 6: Final answer
    x = 878,597.06

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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.