Home / 1,225,649.95-1,838,770.17-384,201.70

Finding the Fourth Proportional to 1,225,649.95, 1,838,770.17 and 384,201.70

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Solution

The fourth proportional to 1,225,649.95, 1,838,770.17 and 384,201.70 is: 576,395.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,649.95 : 1,838,770.17 = 384,201.70 : x
  2. Step 2: Convert to fraction form
    1,225,649.95/1,838,770.17 = 384,201.70/x
  3. Step 3: Cross multiply
    1,225,649.95x = 1,838,770.17 × 384,201.70
  4. Step 4: Simplify right side
    1,225,649.95x = 706,458,619,185.61
  5. Step 5: Solve for x
    x = 706,458,619,185.61/1,225,649.95
  6. Step 6: Final answer
    x = 576,395.10

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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.