Home / 460,090.90-688,581.15-404,103.70

Finding the Fourth Proportional to 460,090.90, 688,581.15 and 404,103.70

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Solution

The fourth proportional to 460,090.90, 688,581.15 and 404,103.70 is: 604,789.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,090.90 : 688,581.15 = 404,103.70 : x
  2. Step 2: Convert to fraction form
    460,090.90/688,581.15 = 404,103.70/x
  3. Step 3: Cross multiply
    460,090.90x = 688,581.15 × 404,103.70
  4. Step 4: Simplify right side
    460,090.90x = 278,258,190,465.26
  5. Step 5: Solve for x
    x = 278,258,190,465.26/460,090.90
  6. Step 6: Final answer
    x = 604,789.60

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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.