Home / 461,776.09-637,244.77-257,830.15

Finding the Fourth Proportional to 461,776.09, 637,244.77 and 257,830.15

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Solution

The fourth proportional to 461,776.09, 637,244.77 and 257,830.15 is: 355,802.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,776.09 : 637,244.77 = 257,830.15 : x
  2. Step 2: Convert to fraction form
    461,776.09/637,244.77 = 257,830.15/x
  3. Step 3: Cross multiply
    461,776.09x = 637,244.77 × 257,830.15
  4. Step 4: Simplify right side
    461,776.09x = 164,300,914,635.82
  5. Step 5: Solve for x
    x = 164,300,914,635.82/461,776.09
  6. Step 6: Final answer
    x = 355,802.13

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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.