Home / 1,116,007.80-1,674,667.80-406,107.60

Finding the Fourth Proportional to 1,116,007.80, 1,674,667.80 and 406,107.60

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Solution

The fourth proportional to 1,116,007.80, 1,674,667.80 and 406,107.60 is: 609,400.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,007.80 : 1,674,667.80 = 406,107.60 : x
  2. Step 2: Convert to fraction form
    1,116,007.80/1,674,667.80 = 406,107.60/x
  3. Step 3: Cross multiply
    1,116,007.80x = 1,674,667.80 × 406,107.60
  4. Step 4: Simplify right side
    1,116,007.80x = 680,095,321,055.28
  5. Step 5: Solve for x
    x = 680,095,321,055.28/1,116,007.80
  6. Step 6: Final answer
    x = 609,400.15

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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.