Home / 712,557.12-1,068,736.86-180,045.36

Finding the Fourth Proportional to 712,557.12, 1,068,736.86 and 180,045.36

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Solution

The fourth proportional to 712,557.12, 1,068,736.86 and 180,045.36 is: 270,043.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,557.12 : 1,068,736.86 = 180,045.36 : x
  2. Step 2: Convert to fraction form
    712,557.12/1,068,736.86 = 180,045.36/x
  3. Step 3: Cross multiply
    712,557.12x = 1,068,736.86 × 180,045.36
  4. Step 4: Simplify right side
    712,557.12x = 192,421,112,703.97
  5. Step 5: Solve for x
    x = 192,421,112,703.97/712,557.12
  6. Step 6: Final answer
    x = 270,043.07

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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.