Home / 726,014.54-1,001,924.33-399,341.34

Finding the Fourth Proportional to 726,014.54, 1,001,924.33 and 399,341.34

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Solution

The fourth proportional to 726,014.54, 1,001,924.33 and 399,341.34 is: 551,104.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,014.54 : 1,001,924.33 = 399,341.34 : x
  2. Step 2: Convert to fraction form
    726,014.54/1,001,924.33 = 399,341.34/x
  3. Step 3: Cross multiply
    726,014.54x = 1,001,924.33 × 399,341.34
  4. Step 4: Simplify right side
    726,014.54x = 400,109,804,520.80
  5. Step 5: Solve for x
    x = 400,109,804,520.80/726,014.54
  6. Step 6: Final answer
    x = 551,104.40

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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.