Home / 839,801.07-1,158,902.37-457,827.75

Finding the Fourth Proportional to 839,801.07, 1,158,902.37 and 457,827.75

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Solution

The fourth proportional to 839,801.07, 1,158,902.37 and 457,827.75 is: 631,789.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,801.07 : 1,158,902.37 = 457,827.75 : x
  2. Step 2: Convert to fraction form
    839,801.07/1,158,902.37 = 457,827.75/x
  3. Step 3: Cross multiply
    839,801.07x = 1,158,902.37 × 457,827.75
  4. Step 4: Simplify right side
    839,801.07x = 530,577,664,526.77
  5. Step 5: Solve for x
    x = 530,577,664,526.77/839,801.07
  6. Step 6: Final answer
    x = 631,789.70

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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.