Home / 563,133.56-776,934.06-321,245.96

Finding the Fourth Proportional to 563,133.56, 776,934.06 and 321,245.96

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Solution

The fourth proportional to 563,133.56, 776,934.06 and 321,245.96 is: 443,210.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,133.56 : 776,934.06 = 321,245.96 : x
  2. Step 2: Convert to fraction form
    563,133.56/776,934.06 = 321,245.96/x
  3. Step 3: Cross multiply
    563,133.56x = 776,934.06 × 321,245.96
  4. Step 4: Simplify right side
    563,133.56x = 249,586,927,961.40
  5. Step 5: Solve for x
    x = 249,586,927,961.40/563,133.56
  6. Step 6: Final answer
    x = 443,210.89

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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.