Home / 877,512.40-1,211,529.90-716,753.32

Finding the Fourth Proportional to 877,512.40, 1,211,529.90 and 716,753.32

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Solution

The fourth proportional to 877,512.40, 1,211,529.90 and 716,753.32 is: 989,579.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,512.40 : 1,211,529.90 = 716,753.32 : x
  2. Step 2: Convert to fraction form
    877,512.40/1,211,529.90 = 716,753.32/x
  3. Step 3: Cross multiply
    877,512.40x = 1,211,529.90 × 716,753.32
  4. Step 4: Simplify right side
    877,512.40x = 868,368,078,104.27
  5. Step 5: Solve for x
    x = 868,368,078,104.27/877,512.40
  6. Step 6: Final answer
    x = 989,579.27

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