Home / 839,304.64-1,158,225.44-457,334.72

Finding the Fourth Proportional to 839,304.64, 1,158,225.44 and 457,334.72

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Solution

The fourth proportional to 839,304.64, 1,158,225.44 and 457,334.72 is: 631,113.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,304.64 : 1,158,225.44 = 457,334.72 : x
  2. Step 2: Convert to fraction form
    839,304.64/1,158,225.44 = 457,334.72/x
  3. Step 3: Cross multiply
    839,304.64x = 1,158,225.44 × 457,334.72
  4. Step 4: Simplify right side
    839,304.64x = 529,696,707,299.28
  5. Step 5: Solve for x
    x = 529,696,707,299.28/839,304.64
  6. Step 6: Final answer
    x = 631,113.76

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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.