Home / 563,006.40-776,877.84-448,575.36

Finding the Fourth Proportional to 563,006.40, 776,877.84 and 448,575.36

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Solution

The fourth proportional to 563,006.40, 776,877.84 and 448,575.36 is: 618,977.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,006.40 : 776,877.84 = 448,575.36 : x
  2. Step 2: Convert to fraction form
    563,006.40/776,877.84 = 448,575.36/x
  3. Step 3: Cross multiply
    563,006.40x = 776,877.84 × 448,575.36
  4. Step 4: Simplify right side
    563,006.40x = 348,488,256,754.02
  5. Step 5: Solve for x
    x = 348,488,256,754.02/563,006.40
  6. Step 6: Final answer
    x = 618,977.43

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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.