Home / 804,147.16-1,109,742.36-436,639.79

Finding the Fourth Proportional to 804,147.16, 1,109,742.36 and 436,639.79

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Solution

The fourth proportional to 804,147.16, 1,109,742.36 and 436,639.79 is: 602,573.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,147.16 : 1,109,742.36 = 436,639.79 : x
  2. Step 2: Convert to fraction form
    804,147.16/1,109,742.36 = 436,639.79/x
  3. Step 3: Cross multiply
    804,147.16x = 1,109,742.36 × 436,639.79
  4. Step 4: Simplify right side
    804,147.16x = 484,557,671,024.50
  5. Step 5: Solve for x
    x = 484,557,671,024.50/804,147.16
  6. Step 6: Final answer
    x = 602,573.38

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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.