Home / 770,115.23-1,154,164.05-369,959.84

Finding the Fourth Proportional to 770,115.23, 1,154,164.05 and 369,959.84

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Solution

The fourth proportional to 770,115.23, 1,154,164.05 and 369,959.84 is: 554,455.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,115.23 : 1,154,164.05 = 369,959.84 : x
  2. Step 2: Convert to fraction form
    770,115.23/1,154,164.05 = 369,959.84/x
  3. Step 3: Cross multiply
    770,115.23x = 1,154,164.05 × 369,959.84
  4. Step 4: Simplify right side
    770,115.23x = 426,994,341,500.93
  5. Step 5: Solve for x
    x = 426,994,341,500.93/770,115.23
  6. Step 6: Final answer
    x = 554,455.14

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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.