Home / 839,225.04-1,158,130.54-457,251.82

Finding the Fourth Proportional to 839,225.04, 1,158,130.54 and 457,251.82

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Solution

The fourth proportional to 839,225.04, 1,158,130.54 and 457,251.82 is: 631,007.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,225.04 : 1,158,130.54 = 457,251.82 : x
  2. Step 2: Convert to fraction form
    839,225.04/1,158,130.54 = 457,251.82/x
  3. Step 3: Cross multiply
    839,225.04x = 1,158,130.54 × 457,251.82
  4. Step 4: Simplify right side
    839,225.04x = 529,557,297,212.58
  5. Step 5: Solve for x
    x = 529,557,297,212.58/839,225.04
  6. Step 6: Final answer
    x = 631,007.50

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Double scale
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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.