Home / 1,190,955.28-1,785,428.72-516,528.63

Finding the Fourth Proportional to 1,190,955.28, 1,785,428.72 and 516,528.63

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Solution

The fourth proportional to 1,190,955.28, 1,785,428.72 and 516,528.63 is: 774,357.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,955.28 : 1,785,428.72 = 516,528.63 : x
  2. Step 2: Convert to fraction form
    1,190,955.28/1,785,428.72 = 516,528.63/x
  3. Step 3: Cross multiply
    1,190,955.28x = 1,785,428.72 × 516,528.63
  4. Step 4: Simplify right side
    1,190,955.28x = 922,225,050,704.25
  5. Step 5: Solve for x
    x = 922,225,050,704.25/1,190,955.28
  6. Step 6: Final answer
    x = 774,357.41

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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.