Home / 741,409.58-1,023,117.80-401,870.54

Finding the Fourth Proportional to 741,409.58, 1,023,117.80 and 401,870.54

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Solution

The fourth proportional to 741,409.58, 1,023,117.80 and 401,870.54 is: 554,566.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,409.58 : 1,023,117.80 = 401,870.54 : x
  2. Step 2: Convert to fraction form
    741,409.58/1,023,117.80 = 401,870.54/x
  3. Step 3: Cross multiply
    741,409.58x = 1,023,117.80 × 401,870.54
  4. Step 4: Simplify right side
    741,409.58x = 411,160,902,769.61
  5. Step 5: Solve for x
    x = 411,160,902,769.61/741,409.58
  6. Step 6: Final answer
    x = 554,566.48

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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.