Home / 628,913.39-868,161.29-475,994.25

Finding the Fourth Proportional to 628,913.39, 868,161.29 and 475,994.25

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Solution

The fourth proportional to 628,913.39, 868,161.29 and 475,994.25 is: 657,069.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,913.39 : 868,161.29 = 475,994.25 : x
  2. Step 2: Convert to fraction form
    628,913.39/868,161.29 = 475,994.25/x
  3. Step 3: Cross multiply
    628,913.39x = 868,161.29 × 475,994.25
  4. Step 4: Simplify right side
    628,913.39x = 413,239,779,732.61
  5. Step 5: Solve for x
    x = 413,239,779,732.61/628,913.39
  6. Step 6: Final answer
    x = 657,069.46

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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.