Home / 743,638.06-1,026,215.64-404,106.28

Finding the Fourth Proportional to 743,638.06, 1,026,215.64 and 404,106.28

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Solution

The fourth proportional to 743,638.06, 1,026,215.64 and 404,106.28 is: 557,664.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,638.06 : 1,026,215.64 = 404,106.28 : x
  2. Step 2: Convert to fraction form
    743,638.06/1,026,215.64 = 404,106.28/x
  3. Step 3: Cross multiply
    743,638.06x = 1,026,215.64 × 404,106.28
  4. Step 4: Simplify right side
    743,638.06x = 414,700,184,758.22
  5. Step 5: Solve for x
    x = 414,700,184,758.22/743,638.06
  6. Step 6: Final answer
    x = 557,664.01

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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.