Home / 741,904.40-1,023,829.26-402,372.92

Finding the Fourth Proportional to 741,904.40, 1,023,829.26 and 402,372.92

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Solution

The fourth proportional to 741,904.40, 1,023,829.26 and 402,372.92 is: 555,275.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,904.40 : 1,023,829.26 = 402,372.92 : x
  2. Step 2: Convert to fraction form
    741,904.40/1,023,829.26 = 402,372.92/x
  3. Step 3: Cross multiply
    741,904.40x = 1,023,829.26 × 402,372.92
  4. Step 4: Simplify right side
    741,904.40x = 411,961,168,927.64
  5. Step 5: Solve for x
    x = 411,961,168,927.64/741,904.40
  6. Step 6: Final answer
    x = 555,275.27

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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.