Home / 839,501.70-1,259,252.55-605,055.30

Finding the Fourth Proportional to 839,501.70, 1,259,252.55 and 605,055.30

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Solution

The fourth proportional to 839,501.70, 1,259,252.55 and 605,055.30 is: 907,582.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,501.70 : 1,259,252.55 = 605,055.30 : x
  2. Step 2: Convert to fraction form
    839,501.70/1,259,252.55 = 605,055.30/x
  3. Step 3: Cross multiply
    839,501.70x = 1,259,252.55 × 605,055.30
  4. Step 4: Simplify right side
    839,501.70x = 761,917,429,416.02
  5. Step 5: Solve for x
    x = 761,917,429,416.02/839,501.70
  6. Step 6: Final answer
    x = 907,582.95

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.