Home / 859,619.61-1,186,226.73-515,283.24

Finding the Fourth Proportional to 859,619.61, 1,186,226.73 and 515,283.24

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Solution

The fourth proportional to 859,619.61, 1,186,226.73 and 515,283.24 is: 711,061.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,619.61 : 1,186,226.73 = 515,283.24 : x
  2. Step 2: Convert to fraction form
    859,619.61/1,186,226.73 = 515,283.24/x
  3. Step 3: Cross multiply
    859,619.61x = 1,186,226.73 × 515,283.24
  4. Step 4: Simplify right side
    859,619.61x = 611,242,752,809.01
  5. Step 5: Solve for x
    x = 611,242,752,809.01/859,619.61
  6. Step 6: Final answer
    x = 711,061.90

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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.