Home / 774,941.88-1,069,432.68-426,097.02

Finding the Fourth Proportional to 774,941.88, 1,069,432.68 and 426,097.02

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Solution

The fourth proportional to 774,941.88, 1,069,432.68 and 426,097.02 is: 588,020.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,941.88 : 1,069,432.68 = 426,097.02 : x
  2. Step 2: Convert to fraction form
    774,941.88/1,069,432.68 = 426,097.02/x
  3. Step 3: Cross multiply
    774,941.88x = 1,069,432.68 × 426,097.02
  4. Step 4: Simplify right side
    774,941.88x = 455,682,078,038.61
  5. Step 5: Solve for x
    x = 455,682,078,038.61/774,941.88
  6. Step 6: Final answer
    x = 588,020.97

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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.