Home / 424,960.20-637,440.26-144,477.45

Finding the Fourth Proportional to 424,960.20, 637,440.26 and 144,477.45

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Solution

The fourth proportional to 424,960.20, 637,440.26 and 144,477.45 is: 216,716.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,960.20 : 637,440.26 = 144,477.45 : x
  2. Step 2: Convert to fraction form
    424,960.20/637,440.26 = 144,477.45/x
  3. Step 3: Cross multiply
    424,960.20x = 637,440.26 × 144,477.45
  4. Step 4: Simplify right side
    424,960.20x = 92,095,742,569.75
  5. Step 5: Solve for x
    x = 92,095,742,569.75/424,960.20
  6. Step 6: Final answer
    x = 216,716.16

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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.