Home / 883,329.85-1,218,903.64-496,188.73

Finding the Fourth Proportional to 883,329.85, 1,218,903.64 and 496,188.73

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Solution

The fourth proportional to 883,329.85, 1,218,903.64 and 496,188.73 is: 684,689.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,329.85 : 1,218,903.64 = 496,188.73 : x
  2. Step 2: Convert to fraction form
    883,329.85/1,218,903.64 = 496,188.73/x
  3. Step 3: Cross multiply
    883,329.85x = 1,218,903.64 × 496,188.73
  4. Step 4: Simplify right side
    883,329.85x = 604,806,249,123.98
  5. Step 5: Solve for x
    x = 604,806,249,123.98/883,329.85
  6. Step 6: Final answer
    x = 684,689.02

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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.