Home / 740,623.20-1,110,934.80-682,886.40

Finding the Fourth Proportional to 740,623.20, 1,110,934.80 and 682,886.40

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Solution

The fourth proportional to 740,623.20, 1,110,934.80 and 682,886.40 is: 1,024,329.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,623.20 : 1,110,934.80 = 682,886.40 : x
  2. Step 2: Convert to fraction form
    740,623.20/1,110,934.80 = 682,886.40/x
  3. Step 3: Cross multiply
    740,623.20x = 1,110,934.80 × 682,886.40
  4. Step 4: Simplify right side
    740,623.20x = 758,642,266,206.72
  5. Step 5: Solve for x
    x = 758,642,266,206.72/740,623.20
  6. Step 6: Final answer
    x = 1,024,329.60

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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.