Home / 725,787.12-1,001,529.48-403,477.60

Finding the Fourth Proportional to 725,787.12, 1,001,529.48 and 403,477.60

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Solution

The fourth proportional to 725,787.12, 1,001,529.48 and 403,477.60 is: 556,767.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,787.12 : 1,001,529.48 = 403,477.60 : x
  2. Step 2: Convert to fraction form
    725,787.12/1,001,529.48 = 403,477.60/x
  3. Step 3: Cross multiply
    725,787.12x = 1,001,529.48 × 403,477.60
  4. Step 4: Simplify right side
    725,787.12x = 404,094,710,919.65
  5. Step 5: Solve for x
    x = 404,094,710,919.65/725,787.12
  6. Step 6: Final answer
    x = 556,767.54

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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.