Home / 839,533.80-1,158,583.77-476,951.07

Finding the Fourth Proportional to 839,533.80, 1,158,583.77 and 476,951.07

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Solution

The fourth proportional to 839,533.80, 1,158,583.77 and 476,951.07 is: 658,207.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,533.80 : 1,158,583.77 = 476,951.07 : x
  2. Step 2: Convert to fraction form
    839,533.80/1,158,583.77 = 476,951.07/x
  3. Step 3: Cross multiply
    839,533.80x = 1,158,583.77 × 476,951.07
  4. Step 4: Simplify right side
    839,533.80x = 552,587,768,786.13
  5. Step 5: Solve for x
    x = 552,587,768,786.13/839,533.80
  6. Step 6: Final answer
    x = 658,207.89

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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.