Home / 991,684.35-1,368,056.79-719,154.59

Finding the Fourth Proportional to 991,684.35, 1,368,056.79 and 719,154.59

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Solution

The fourth proportional to 991,684.35, 1,368,056.79 and 719,154.59 is: 992,094.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,684.35 : 1,368,056.79 = 719,154.59 : x
  2. Step 2: Convert to fraction form
    991,684.35/1,368,056.79 = 719,154.59/x
  3. Step 3: Cross multiply
    991,684.35x = 1,368,056.79 × 719,154.59
  4. Step 4: Simplify right side
    991,684.35x = 983,844,313,068.88
  5. Step 5: Solve for x
    x = 983,844,313,068.88/991,684.35
  6. Step 6: Final answer
    x = 992,094.22

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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.