Home / 1,423,868.50-1,964,449.95-811,579.60

Finding the Fourth Proportional to 1,423,868.50, 1,964,449.95 and 811,579.60

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Solution

The fourth proportional to 1,423,868.50, 1,964,449.95 and 811,579.60 is: 1,119,701.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,868.50 : 1,964,449.95 = 811,579.60 : x
  2. Step 2: Convert to fraction form
    1,423,868.50/1,964,449.95 = 811,579.60/x
  3. Step 3: Cross multiply
    1,423,868.50x = 1,964,449.95 × 811,579.60
  4. Step 4: Simplify right side
    1,423,868.50x = 1,594,307,504,641.02
  5. Step 5: Solve for x
    x = 1,594,307,504,641.02/1,423,868.50
  6. Step 6: Final answer
    x = 1,119,701.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.