Home / 465,434.10-698,053.14-212,642.82

Finding the Fourth Proportional to 465,434.10, 698,053.14 and 212,642.82

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Solution

The fourth proportional to 465,434.10, 698,053.14 and 212,642.82 is: 318,919.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,434.10 : 698,053.14 = 212,642.82 : x
  2. Step 2: Convert to fraction form
    465,434.10/698,053.14 = 212,642.82/x
  3. Step 3: Cross multiply
    465,434.10x = 698,053.14 × 212,642.82
  4. Step 4: Simplify right side
    465,434.10x = 148,435,988,199.46
  5. Step 5: Solve for x
    x = 148,435,988,199.46/465,434.10
  6. Step 6: Final answer
    x = 318,919.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.