Home / 991,527.62-1,368,726.75-669,673.69

Finding the Fourth Proportional to 991,527.62, 1,368,726.75 and 669,673.69

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Solution

The fourth proportional to 991,527.62, 1,368,726.75 and 669,673.69 is: 924,432.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,527.62 : 1,368,726.75 = 669,673.69 : x
  2. Step 2: Convert to fraction form
    991,527.62/1,368,726.75 = 669,673.69/x
  3. Step 3: Cross multiply
    991,527.62x = 1,368,726.75 × 669,673.69
  4. Step 4: Simplify right side
    991,527.62x = 916,600,289,852.39
  5. Step 5: Solve for x
    x = 916,600,289,852.39/991,527.62
  6. Step 6: Final answer
    x = 924,432.43

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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.