Home / 868,446.20-1,303,835.70-554,295.80

Finding the Fourth Proportional to 868,446.20, 1,303,835.70 and 554,295.80

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Solution

The fourth proportional to 868,446.20, 1,303,835.70 and 554,295.80 is: 832,188.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,446.20 : 1,303,835.70 = 554,295.80 : x
  2. Step 2: Convert to fraction form
    868,446.20/1,303,835.70 = 554,295.80/x
  3. Step 3: Cross multiply
    868,446.20x = 1,303,835.70 × 554,295.80
  4. Step 4: Simplify right side
    868,446.20x = 722,710,652,400.06
  5. Step 5: Solve for x
    x = 722,710,652,400.06/868,446.20
  6. Step 6: Final answer
    x = 832,188.17

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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.