Home / 1,328,690.79-1,992,070.67-529,732.71

Finding the Fourth Proportional to 1,328,690.79, 1,992,070.67 and 529,732.71

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Solution

The fourth proportional to 1,328,690.79, 1,992,070.67 and 529,732.71 is: 794,214.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,690.79 : 1,992,070.67 = 529,732.71 : x
  2. Step 2: Convert to fraction form
    1,328,690.79/1,992,070.67 = 529,732.71/x
  3. Step 3: Cross multiply
    1,328,690.79x = 1,992,070.67 × 529,732.71
  4. Step 4: Simplify right side
    1,328,690.79x = 1,055,264,991,881.95
  5. Step 5: Solve for x
    x = 1,055,264,991,881.95/1,328,690.79
  6. Step 6: Final answer
    x = 794,214.12

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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.