Home / 545,981.40-819,088.71-191,007

Finding the Fourth Proportional to 545,981.40, 819,088.71 and 191,007

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Solution

The fourth proportional to 545,981.40, 819,088.71 and 191,007 is: 286,551.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,981.40 : 819,088.71 = 191,007 : x
  2. Step 2: Convert to fraction form
    545,981.40/819,088.71 = 191,007/x
  3. Step 3: Cross multiply
    545,981.40x = 819,088.71 × 191,007
  4. Step 4: Simplify right side
    545,981.40x = 156,451,677,230.97
  5. Step 5: Solve for x
    x = 156,451,677,230.97/545,981.40
  6. Step 6: Final answer
    x = 286,551.30

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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.