Home / 859,814.56-1,186,540.68-472,655.98

Finding the Fourth Proportional to 859,814.56, 1,186,540.68 and 472,655.98

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Solution

The fourth proportional to 859,814.56, 1,186,540.68 and 472,655.98 is: 652,263.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,814.56 : 1,186,540.68 = 472,655.98 : x
  2. Step 2: Convert to fraction form
    859,814.56/1,186,540.68 = 472,655.98/x
  3. Step 3: Cross multiply
    859,814.56x = 1,186,540.68 × 472,655.98
  4. Step 4: Simplify right side
    859,814.56x = 560,825,547,915.27
  5. Step 5: Solve for x
    x = 560,825,547,915.27/859,814.56
  6. Step 6: Final answer
    x = 652,263.38

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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.