Home / 1,617,451.20-2,426,176.80-775,569.60

Finding the Fourth Proportional to 1,617,451.20, 2,426,176.80 and 775,569.60

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Solution

The fourth proportional to 1,617,451.20, 2,426,176.80 and 775,569.60 is: 1,163,354.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,451.20 : 2,426,176.80 = 775,569.60 : x
  2. Step 2: Convert to fraction form
    1,617,451.20/2,426,176.80 = 775,569.60/x
  3. Step 3: Cross multiply
    1,617,451.20x = 2,426,176.80 × 775,569.60
  4. Step 4: Simplify right side
    1,617,451.20x = 1,881,668,970,305.28
  5. Step 5: Solve for x
    x = 1,881,668,970,305.28/1,617,451.20
  6. Step 6: Final answer
    x = 1,163,354.40

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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.