Home / 1,069,800.26-1,604,799.95-386,858.28

Finding the Fourth Proportional to 1,069,800.26, 1,604,799.95 and 386,858.28

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Solution

The fourth proportional to 1,069,800.26, 1,604,799.95 and 386,858.28 is: 580,323.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,800.26 : 1,604,799.95 = 386,858.28 : x
  2. Step 2: Convert to fraction form
    1,069,800.26/1,604,799.95 = 386,858.28/x
  3. Step 3: Cross multiply
    1,069,800.26x = 1,604,799.95 × 386,858.28
  4. Step 4: Simplify right side
    1,069,800.26x = 620,830,143,457.80
  5. Step 5: Solve for x
    x = 620,830,143,457.80/1,069,800.26
  6. Step 6: Final answer
    x = 580,323.42

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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.