Home / 741,680.15-1,023,538.68-419,438.25

Finding the Fourth Proportional to 741,680.15, 1,023,538.68 and 419,438.25

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Solution

The fourth proportional to 741,680.15, 1,023,538.68 and 419,438.25 is: 578,836.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,680.15 : 1,023,538.68 = 419,438.25 : x
  2. Step 2: Convert to fraction form
    741,680.15/1,023,538.68 = 419,438.25/x
  3. Step 3: Cross multiply
    741,680.15x = 1,023,538.68 × 419,438.25
  4. Step 4: Simplify right side
    741,680.15x = 429,311,272,746.51
  5. Step 5: Solve for x
    x = 429,311,272,746.51/741,680.15
  6. Step 6: Final answer
    x = 578,836.14

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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.