Home / 769,680.64-1,062,192.10-430,148.88

Finding the Fourth Proportional to 769,680.64, 1,062,192.10 and 430,148.88

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Solution

The fourth proportional to 769,680.64, 1,062,192.10 and 430,148.88 is: 593,623.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,680.64 : 1,062,192.10 = 430,148.88 : x
  2. Step 2: Convert to fraction form
    769,680.64/1,062,192.10 = 430,148.88/x
  3. Step 3: Cross multiply
    769,680.64x = 1,062,192.10 × 430,148.88
  4. Step 4: Simplify right side
    769,680.64x = 456,900,742,159.85
  5. Step 5: Solve for x
    x = 456,900,742,159.85/769,680.64
  6. Step 6: Final answer
    x = 593,623.79

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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.