Home / 842,815.64-1,163,089.43-460,842.11

Finding the Fourth Proportional to 842,815.64, 1,163,089.43 and 460,842.11

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Solution

The fourth proportional to 842,815.64, 1,163,089.43 and 460,842.11 is: 635,964.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,815.64 : 1,163,089.43 = 460,842.11 : x
  2. Step 2: Convert to fraction form
    842,815.64/1,163,089.43 = 460,842.11/x
  3. Step 3: Cross multiply
    842,815.64x = 1,163,089.43 × 460,842.11
  4. Step 4: Simplify right side
    842,815.64x = 536,000,578,920.24
  5. Step 5: Solve for x
    x = 536,000,578,920.24/842,815.64
  6. Step 6: Final answer
    x = 635,964.21

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1.5x scale

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.