Home / 424,555.13-637,127.93-274,423.04

Finding the Fourth Proportional to 424,555.13, 637,127.93 and 274,423.04

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Solution

The fourth proportional to 424,555.13, 637,127.93 and 274,423.04 is: 411,825.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,555.13 : 637,127.93 = 274,423.04 : x
  2. Step 2: Convert to fraction form
    424,555.13/637,127.93 = 274,423.04/x
  3. Step 3: Cross multiply
    424,555.13x = 637,127.93 × 274,423.04
  4. Step 4: Simplify right side
    424,555.13x = 174,842,583,419.51
  5. Step 5: Solve for x
    x = 174,842,583,419.51/424,555.13
  6. Step 6: Final answer
    x = 411,825.39

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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.