Home / 839,534.32-1,158,581.64-457,585.84

Finding the Fourth Proportional to 839,534.32, 1,158,581.64 and 457,585.84

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Solution

The fourth proportional to 839,534.32, 1,158,581.64 and 457,585.84 is: 631,481.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,534.32 : 1,158,581.64 = 457,585.84 : x
  2. Step 2: Convert to fraction form
    839,534.32/1,158,581.64 = 457,585.84/x
  3. Step 3: Cross multiply
    839,534.32x = 1,158,581.64 × 457,585.84
  4. Step 4: Simplify right side
    839,534.32x = 530,150,552,947.98
  5. Step 5: Solve for x
    x = 530,150,552,947.98/839,534.32
  6. Step 6: Final answer
    x = 631,481.69

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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.