Home / 1,179,346.79-1,769,838.06-539,728.58

Finding the Fourth Proportional to 1,179,346.79, 1,769,838.06 and 539,728.58

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Solution

The fourth proportional to 1,179,346.79, 1,769,838.06 and 539,728.58 is: 809,967.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,346.79 : 1,769,838.06 = 539,728.58 : x
  2. Step 2: Convert to fraction form
    1,179,346.79/1,769,838.06 = 539,728.58/x
  3. Step 3: Cross multiply
    1,179,346.79x = 1,769,838.06 × 539,728.58
  4. Step 4: Simplify right side
    1,179,346.79x = 955,232,182,953.76
  5. Step 5: Solve for x
    x = 955,232,182,953.76/1,179,346.79
  6. Step 6: Final answer
    x = 809,967.17

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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.