Home / 948,927.12-1,309,535.82-519,244.80

Finding the Fourth Proportional to 948,927.12, 1,309,535.82 and 519,244.80

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Solution

The fourth proportional to 948,927.12, 1,309,535.82 and 519,244.80 is: 716,566.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,927.12 : 1,309,535.82 = 519,244.80 : x
  2. Step 2: Convert to fraction form
    948,927.12/1,309,535.82 = 519,244.80/x
  3. Step 3: Cross multiply
    948,927.12x = 1,309,535.82 × 519,244.80
  4. Step 4: Simplify right side
    948,927.12x = 679,969,664,948.74
  5. Step 5: Solve for x
    x = 679,969,664,948.74/948,927.12
  6. Step 6: Final answer
    x = 716,566.79

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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.