Home / 1,129,619.80-1,691,664.90-537,952.60

Finding the Fourth Proportional to 1,129,619.80, 1,691,664.90 and 537,952.60

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Solution

The fourth proportional to 1,129,619.80, 1,691,664.90 and 537,952.60 is: 805,612.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,619.80 : 1,691,664.90 = 537,952.60 : x
  2. Step 2: Convert to fraction form
    1,129,619.80/1,691,664.90 = 537,952.60/x
  3. Step 3: Cross multiply
    1,129,619.80x = 1,691,664.90 × 537,952.60
  4. Step 4: Simplify right side
    1,129,619.80x = 910,035,531,283.74
  5. Step 5: Solve for x
    x = 910,035,531,283.74/1,129,619.80
  6. Step 6: Final answer
    x = 805,612.23

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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.