Home / 854,032.50-1,178,564.85-514,571.22

Finding the Fourth Proportional to 854,032.50, 1,178,564.85 and 514,571.22

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Solution

The fourth proportional to 854,032.50, 1,178,564.85 and 514,571.22 is: 710,108.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,032.50 : 1,178,564.85 = 514,571.22 : x
  2. Step 2: Convert to fraction form
    854,032.50/1,178,564.85 = 514,571.22/x
  3. Step 3: Cross multiply
    854,032.50x = 1,178,564.85 × 514,571.22
  4. Step 4: Simplify right side
    854,032.50x = 606,455,552,713.62
  5. Step 5: Solve for x
    x = 606,455,552,713.62/854,032.50
  6. Step 6: Final answer
    x = 710,108.28

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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.