Home / 610,461.03-842,420.25-338,528.23

Finding the Fourth Proportional to 610,461.03, 842,420.25 and 338,528.23

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Solution

The fourth proportional to 610,461.03, 842,420.25 and 338,528.23 is: 467,160.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,461.03 : 842,420.25 = 338,528.23 : x
  2. Step 2: Convert to fraction form
    610,461.03/842,420.25 = 338,528.23/x
  3. Step 3: Cross multiply
    610,461.03x = 842,420.25 × 338,528.23
  4. Step 4: Simplify right side
    610,461.03x = 285,183,036,148.66
  5. Step 5: Solve for x
    x = 285,183,036,148.66/610,461.03
  6. Step 6: Final answer
    x = 467,160.10

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Double scale
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1.5x scale

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.