Home / 724,010.76-999,574.92-562,561.20

Finding the Fourth Proportional to 724,010.76, 999,574.92 and 562,561.20

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Solution

The fourth proportional to 724,010.76, 999,574.92 and 562,561.20 is: 776,676.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,010.76 : 999,574.92 = 562,561.20 : x
  2. Step 2: Convert to fraction form
    724,010.76/999,574.92 = 562,561.20/x
  3. Step 3: Cross multiply
    724,010.76x = 999,574.92 × 562,561.20
  4. Step 4: Simplify right side
    724,010.76x = 562,322,066,485.10
  5. Step 5: Solve for x
    x = 562,322,066,485.10/724,010.76
  6. Step 6: Final answer
    x = 776,676.39

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Double scale
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Similar ratio
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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.