Home / 839,437.20-1,259,155.80-604,990.80

Finding the Fourth Proportional to 839,437.20, 1,259,155.80 and 604,990.80

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Solution

The fourth proportional to 839,437.20, 1,259,155.80 and 604,990.80 is: 907,486.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,437.20 : 1,259,155.80 = 604,990.80 : x
  2. Step 2: Convert to fraction form
    839,437.20/1,259,155.80 = 604,990.80/x
  3. Step 3: Cross multiply
    839,437.20x = 1,259,155.80 × 604,990.80
  4. Step 4: Simplify right side
    839,437.20x = 761,777,674,766.64
  5. Step 5: Solve for x
    x = 761,777,674,766.64/839,437.20
  6. Step 6: Final answer
    x = 907,486.20

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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.