Home / 2,157,344.28-3,235,010.40-640,470.24

Finding the Fourth Proportional to 2,157,344.28, 3,235,010.40 and 640,470.24

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Solution

The fourth proportional to 2,157,344.28, 3,235,010.40 and 640,470.24 is: 960,406.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,344.28 : 3,235,010.40 = 640,470.24 : x
  2. Step 2: Convert to fraction form
    2,157,344.28/3,235,010.40 = 640,470.24/x
  3. Step 3: Cross multiply
    2,157,344.28x = 3,235,010.40 × 640,470.24
  4. Step 4: Simplify right side
    2,157,344.28x = 2,071,927,887,290.50
  5. Step 5: Solve for x
    x = 2,071,927,887,290.50/2,157,344.28
  6. Step 6: Final answer
    x = 960,406.69

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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.