Home / 1,205,460.40-1,807,533.60-363,902.80

Finding the Fourth Proportional to 1,205,460.40, 1,807,533.60 and 363,902.80

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Solution

The fourth proportional to 1,205,460.40, 1,807,533.60 and 363,902.80 is: 545,655.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,460.40 : 1,807,533.60 = 363,902.80 : x
  2. Step 2: Convert to fraction form
    1,205,460.40/1,807,533.60 = 363,902.80/x
  3. Step 3: Cross multiply
    1,205,460.40x = 1,807,533.60 × 363,902.80
  4. Step 4: Simplify right side
    1,205,460.40x = 657,766,538,134.08
  5. Step 5: Solve for x
    x = 657,766,538,134.08/1,205,460.40
  6. Step 6: Final answer
    x = 545,655.87

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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.