Home / 1,005,055.44-1,507,575.48-257,100.24

Finding the Fourth Proportional to 1,005,055.44, 1,507,575.48 and 257,100.24

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Solution

The fourth proportional to 1,005,055.44, 1,507,575.48 and 257,100.24 is: 385,648.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,055.44 : 1,507,575.48 = 257,100.24 : x
  2. Step 2: Convert to fraction form
    1,005,055.44/1,507,575.48 = 257,100.24/x
  3. Step 3: Cross multiply
    1,005,055.44x = 1,507,575.48 × 257,100.24
  4. Step 4: Simplify right side
    1,005,055.44x = 387,598,017,726.12
  5. Step 5: Solve for x
    x = 387,598,017,726.12/1,005,055.44
  6. Step 6: Final answer
    x = 385,648.40

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.