Home / 1,191,663.12-1,786,486.88-517,237.52

Finding the Fourth Proportional to 1,191,663.12, 1,786,486.88 and 517,237.52

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Solution

The fourth proportional to 1,191,663.12, 1,786,486.88 and 517,237.52 is: 775,418.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,663.12 : 1,786,486.88 = 517,237.52 : x
  2. Step 2: Convert to fraction form
    1,191,663.12/1,786,486.88 = 517,237.52/x
  3. Step 3: Cross multiply
    1,191,663.12x = 1,786,486.88 × 517,237.52
  4. Step 4: Simplify right side
    1,191,663.12x = 924,038,043,323.74
  5. Step 5: Solve for x
    x = 924,038,043,323.74/1,191,663.12
  6. Step 6: Final answer
    x = 775,418.85

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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.