Home / 1,200,178.02-1,656,274.47-683,920.86

Finding the Fourth Proportional to 1,200,178.02, 1,656,274.47 and 683,920.86

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Solution

The fourth proportional to 1,200,178.02, 1,656,274.47 and 683,920.86 is: 943,827.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,178.02 : 1,656,274.47 = 683,920.86 : x
  2. Step 2: Convert to fraction form
    1,200,178.02/1,656,274.47 = 683,920.86/x
  3. Step 3: Cross multiply
    1,200,178.02x = 1,656,274.47 × 683,920.86
  4. Step 4: Simplify right side
    1,200,178.02x = 1,132,760,664,343.95
  5. Step 5: Solve for x
    x = 1,132,760,664,343.95/1,200,178.02
  6. Step 6: Final answer
    x = 943,827.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.