Home / 983,618.52-1,475,799.48-385,007.40

Finding the Fourth Proportional to 983,618.52, 1,475,799.48 and 385,007.40

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Solution

The fourth proportional to 983,618.52, 1,475,799.48 and 385,007.40 is: 577,656.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,618.52 : 1,475,799.48 = 385,007.40 : x
  2. Step 2: Convert to fraction form
    983,618.52/1,475,799.48 = 385,007.40/x
  3. Step 3: Cross multiply
    983,618.52x = 1,475,799.48 × 385,007.40
  4. Step 4: Simplify right side
    983,618.52x = 568,193,720,716.15
  5. Step 5: Solve for x
    x = 568,193,720,716.15/983,618.52
  6. Step 6: Final answer
    x = 577,656.59

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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.