Home / 1,186,773.60-1,780,143.84-288,222.24

Finding the Fourth Proportional to 1,186,773.60, 1,780,143.84 and 288,222.24

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Solution

The fourth proportional to 1,186,773.60, 1,780,143.84 and 288,222.24 is: 432,329.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,773.60 : 1,780,143.84 = 288,222.24 : x
  2. Step 2: Convert to fraction form
    1,186,773.60/1,780,143.84 = 288,222.24/x
  3. Step 3: Cross multiply
    1,186,773.60x = 1,780,143.84 × 288,222.24
  4. Step 4: Simplify right side
    1,186,773.60x = 513,077,045,087.00
  5. Step 5: Solve for x
    x = 513,077,045,087.00/1,186,773.60
  6. Step 6: Final answer
    x = 432,329.34

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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.