Home / 785,785.28-1,183,928.63-709,971.89

Finding the Fourth Proportional to 785,785.28, 1,183,928.63 and 709,971.89

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Solution

The fourth proportional to 785,785.28, 1,183,928.63 and 709,971.89 is: 1,069,701.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,785.28 : 1,183,928.63 = 709,971.89 : x
  2. Step 2: Convert to fraction form
    785,785.28/1,183,928.63 = 709,971.89/x
  3. Step 3: Cross multiply
    785,785.28x = 1,183,928.63 × 709,971.89
  4. Step 4: Simplify right side
    785,785.28x = 840,556,047,066.21
  5. Step 5: Solve for x
    x = 840,556,047,066.21/785,785.28
  6. Step 6: Final answer
    x = 1,069,701.95

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.