Home / 1,315,043.02-1,972,750.02-515,891.08

Finding the Fourth Proportional to 1,315,043.02, 1,972,750.02 and 515,891.08

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Solution

The fourth proportional to 1,315,043.02, 1,972,750.02 and 515,891.08 is: 773,909.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,043.02 : 1,972,750.02 = 515,891.08 : x
  2. Step 2: Convert to fraction form
    1,315,043.02/1,972,750.02 = 515,891.08/x
  3. Step 3: Cross multiply
    1,315,043.02x = 1,972,750.02 × 515,891.08
  4. Step 4: Simplify right side
    1,315,043.02x = 1,017,724,138,387.82
  5. Step 5: Solve for x
    x = 1,017,724,138,387.82/1,315,043.02
  6. Step 6: Final answer
    x = 773,909.39

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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.