Home / 628,006.10-942,009.15-603,511.70

Finding the Fourth Proportional to 628,006.10, 942,009.15 and 603,511.70

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Solution

The fourth proportional to 628,006.10, 942,009.15 and 603,511.70 is: 905,267.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,006.10 : 942,009.15 = 603,511.70 : x
  2. Step 2: Convert to fraction form
    628,006.10/942,009.15 = 603,511.70/x
  3. Step 3: Cross multiply
    628,006.10x = 942,009.15 × 603,511.70
  4. Step 4: Simplify right side
    628,006.10x = 568,513,543,532.06
  5. Step 5: Solve for x
    x = 568,513,543,532.06/628,006.10
  6. Step 6: Final answer
    x = 905,267.55

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Similar ratio
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1.5x scale

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.