Home / 927,698.80-1,390,511.40-528,530.80

Finding the Fourth Proportional to 927,698.80, 1,390,511.40 and 528,530.80

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Solution

The fourth proportional to 927,698.80, 1,390,511.40 and 528,530.80 is: 792,205.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,698.80 : 1,390,511.40 = 528,530.80 : x
  2. Step 2: Convert to fraction form
    927,698.80/1,390,511.40 = 528,530.80/x
  3. Step 3: Cross multiply
    927,698.80x = 1,390,511.40 × 528,530.80
  4. Step 4: Simplify right side
    927,698.80x = 734,928,102,651.12
  5. Step 5: Solve for x
    x = 734,928,102,651.12/927,698.80
  6. Step 6: Final answer
    x = 792,205.51

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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.