Home / 839,639.32-1,158,713.77-457,665.28

Finding the Fourth Proportional to 839,639.32, 1,158,713.77 and 457,665.28

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Solution

The fourth proportional to 839,639.32, 1,158,713.77 and 457,665.28 is: 631,584.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,639.32 : 1,158,713.77 = 457,665.28 : x
  2. Step 2: Convert to fraction form
    839,639.32/1,158,713.77 = 457,665.28/x
  3. Step 3: Cross multiply
    839,639.32x = 1,158,713.77 × 457,665.28
  4. Step 4: Simplify right side
    839,639.32x = 530,303,056,193.34
  5. Step 5: Solve for x
    x = 530,303,056,193.34/839,639.32
  6. Step 6: Final answer
    x = 631,584.36

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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.