Home / 628,415.69-867,098.89-410,566.39

Finding the Fourth Proportional to 628,415.69, 867,098.89 and 410,566.39

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Solution

The fourth proportional to 628,415.69, 867,098.89 and 410,566.39 is: 566,506.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,415.69 : 867,098.89 = 410,566.39 : x
  2. Step 2: Convert to fraction form
    628,415.69/867,098.89 = 410,566.39/x
  3. Step 3: Cross multiply
    628,415.69x = 867,098.89 × 410,566.39
  4. Step 4: Simplify right side
    628,415.69x = 356,001,659,385.77
  5. Step 5: Solve for x
    x = 356,001,659,385.77/628,415.69
  6. Step 6: Final answer
    x = 566,506.64

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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.