Home / 725,784.12-1,001,525.34-403,474.59

Finding the Fourth Proportional to 725,784.12, 1,001,525.34 and 403,474.59

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Solution

The fourth proportional to 725,784.12, 1,001,525.34 and 403,474.59 is: 556,763.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,784.12 : 1,001,525.34 = 403,474.59 : x
  2. Step 2: Convert to fraction form
    725,784.12/1,001,525.34 = 403,474.59/x
  3. Step 3: Cross multiply
    725,784.12x = 1,001,525.34 × 403,474.59
  4. Step 4: Simplify right side
    725,784.12x = 404,090,025,931.11
  5. Step 5: Solve for x
    x = 404,090,025,931.11/725,784.12
  6. Step 6: Final answer
    x = 556,763.39

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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.