Home / 950,858.10-1,312,178.13-521,164.98

Finding the Fourth Proportional to 950,858.10, 1,312,178.13 and 521,164.98

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Solution

The fourth proportional to 950,858.10, 1,312,178.13 and 521,164.98 is: 719,204.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,858.10 : 1,312,178.13 = 521,164.98 : x
  2. Step 2: Convert to fraction form
    950,858.10/1,312,178.13 = 521,164.98/x
  3. Step 3: Cross multiply
    950,858.10x = 1,312,178.13 × 521,164.98
  4. Step 4: Simplify right side
    950,858.10x = 683,861,288,877.89
  5. Step 5: Solve for x
    x = 683,861,288,877.89/950,858.10
  6. Step 6: Final answer
    x = 719,204.36

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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.