Home / 563,022.54-776,971.47-304,901.49

Finding the Fourth Proportional to 563,022.54, 776,971.47 and 304,901.49

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Solution

The fourth proportional to 563,022.54, 776,971.47 and 304,901.49 is: 420,764.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,022.54 : 776,971.47 = 304,901.49 : x
  2. Step 2: Convert to fraction form
    563,022.54/776,971.47 = 304,901.49/x
  3. Step 3: Cross multiply
    563,022.54x = 776,971.47 × 304,901.49
  4. Step 4: Simplify right side
    563,022.54x = 236,899,758,890.49
  5. Step 5: Solve for x
    x = 236,899,758,890.49/563,022.54
  6. Step 6: Final answer
    x = 420,764.25

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1.5x scale

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.