Home / 712,279.40-1,068,415.08-179,798.24

Finding the Fourth Proportional to 712,279.40, 1,068,415.08 and 179,798.24

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Solution

The fourth proportional to 712,279.40, 1,068,415.08 and 179,798.24 is: 269,696.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,279.40 : 1,068,415.08 = 179,798.24 : x
  2. Step 2: Convert to fraction form
    712,279.40/1,068,415.08 = 179,798.24/x
  3. Step 3: Cross multiply
    712,279.40x = 1,068,415.08 × 179,798.24
  4. Step 4: Simplify right side
    712,279.40x = 192,099,150,973.46
  5. Step 5: Solve for x
    x = 192,099,150,973.46/712,279.40
  6. Step 6: Final answer
    x = 269,696.35

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1.5x scale

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.