Home / 1,151,294.12-1,727,339.47-393,668.86

Finding the Fourth Proportional to 1,151,294.12, 1,727,339.47 and 393,668.86

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Solution

The fourth proportional to 1,151,294.12, 1,727,339.47 and 393,668.86 is: 590,639.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,294.12 : 1,727,339.47 = 393,668.86 : x
  2. Step 2: Convert to fraction form
    1,151,294.12/1,727,339.47 = 393,668.86/x
  3. Step 3: Cross multiply
    1,151,294.12x = 1,727,339.47 × 393,668.86
  4. Step 4: Simplify right side
    1,151,294.12x = 679,999,754,685.38
  5. Step 5: Solve for x
    x = 679,999,754,685.38/1,151,294.12
  6. Step 6: Final answer
    x = 590,639.47

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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.