Home / 883,870.70-1,219,702.18-516,381.93

Finding the Fourth Proportional to 883,870.70, 1,219,702.18 and 516,381.93

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Solution

The fourth proportional to 883,870.70, 1,219,702.18 and 516,381.93 is: 712,584.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,870.70 : 1,219,702.18 = 516,381.93 : x
  2. Step 2: Convert to fraction form
    883,870.70/1,219,702.18 = 516,381.93/x
  3. Step 3: Cross multiply
    883,870.70x = 1,219,702.18 × 516,381.93
  4. Step 4: Simplify right side
    883,870.70x = 629,832,165,733.61
  5. Step 5: Solve for x
    x = 629,832,165,733.61/883,870.70
  6. Step 6: Final answer
    x = 712,584.05

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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.