Home / 1,121,332.43-1,680,817.46-559,185.95

Finding the Fourth Proportional to 1,121,332.43, 1,680,817.46 and 559,185.95

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Solution

The fourth proportional to 1,121,332.43, 1,680,817.46 and 559,185.95 is: 838,189.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,332.43 : 1,680,817.46 = 559,185.95 : x
  2. Step 2: Convert to fraction form
    1,121,332.43/1,680,817.46 = 559,185.95/x
  3. Step 3: Cross multiply
    1,121,332.43x = 1,680,817.46 × 559,185.95
  4. Step 4: Simplify right side
    1,121,332.43x = 939,889,496,946.67
  5. Step 5: Solve for x
    x = 939,889,496,946.67/1,121,332.43
  6. Step 6: Final answer
    x = 838,189.89

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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.