Home / 912,619.80-1,366,059.51-626,636.73

Finding the Fourth Proportional to 912,619.80, 1,366,059.51 and 626,636.73

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Solution

The fourth proportional to 912,619.80, 1,366,059.51 and 626,636.73 is: 937,984.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,619.80 : 1,366,059.51 = 626,636.73 : x
  2. Step 2: Convert to fraction form
    912,619.80/1,366,059.51 = 626,636.73/x
  3. Step 3: Cross multiply
    912,619.80x = 1,366,059.51 × 626,636.73
  4. Step 4: Simplify right side
    912,619.80x = 856,023,064,331.80
  5. Step 5: Solve for x
    x = 856,023,064,331.80/912,619.80
  6. Step 6: Final answer
    x = 937,984.32

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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.