Home / 839,355.73-1,158,312.38-457,382.51

Finding the Fourth Proportional to 839,355.73, 1,158,312.38 and 457,382.51

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Solution

The fourth proportional to 839,355.73, 1,158,312.38 and 457,382.51 is: 631,188.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,355.73 : 1,158,312.38 = 457,382.51 : x
  2. Step 2: Convert to fraction form
    839,355.73/1,158,312.38 = 457,382.51/x
  3. Step 3: Cross multiply
    839,355.73x = 1,158,312.38 × 457,382.51
  4. Step 4: Simplify right side
    839,355.73x = 529,791,815,650.00
  5. Step 5: Solve for x
    x = 529,791,815,650.00/839,355.73
  6. Step 6: Final answer
    x = 631,188.66

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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.