Home / 673,943.54-928,461.48-469,623.68

Finding the Fourth Proportional to 673,943.54, 928,461.48 and 469,623.68

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Solution

The fourth proportional to 673,943.54, 928,461.48 and 469,623.68 is: 646,979.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,943.54 : 928,461.48 = 469,623.68 : x
  2. Step 2: Convert to fraction form
    673,943.54/928,461.48 = 469,623.68/x
  3. Step 3: Cross multiply
    673,943.54x = 928,461.48 × 469,623.68
  4. Step 4: Simplify right side
    673,943.54x = 436,027,492,333.54
  5. Step 5: Solve for x
    x = 436,027,492,333.54/673,943.54
  6. Step 6: Final answer
    x = 646,979.26

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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.