Home / 894,412.92-1,234,296.34-486,518.29

Finding the Fourth Proportional to 894,412.92, 1,234,296.34 and 486,518.29

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Solution

The fourth proportional to 894,412.92, 1,234,296.34 and 486,518.29 is: 671,398.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,412.92 : 1,234,296.34 = 486,518.29 : x
  2. Step 2: Convert to fraction form
    894,412.92/1,234,296.34 = 486,518.29/x
  3. Step 3: Cross multiply
    894,412.92x = 1,234,296.34 × 486,518.29
  4. Step 4: Simplify right side
    894,412.92x = 600,507,744,690.06
  5. Step 5: Solve for x
    x = 600,507,744,690.06/894,412.92
  6. Step 6: Final answer
    x = 671,398.78

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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.