Home / 1,423,357.60-1,964,184.62-811,707.22

Finding the Fourth Proportional to 1,423,357.60, 1,964,184.62 and 811,707.22

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Solution

The fourth proportional to 1,423,357.60, 1,964,184.62 and 811,707.22 is: 1,120,128.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,357.60 : 1,964,184.62 = 811,707.22 : x
  2. Step 2: Convert to fraction form
    1,423,357.60/1,964,184.62 = 811,707.22/x
  3. Step 3: Cross multiply
    1,423,357.60x = 1,964,184.62 × 811,707.22
  4. Step 4: Simplify right side
    1,423,357.60x = 1,594,342,837,466.96
  5. Step 5: Solve for x
    x = 1,594,342,837,466.96/1,423,357.60
  6. Step 6: Final answer
    x = 1,120,128.10

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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.