Home / 885,987.24-1,224,261.72-630,895.56

Finding the Fourth Proportional to 885,987.24, 1,224,261.72 and 630,895.56

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Solution

The fourth proportional to 885,987.24, 1,224,261.72 and 630,895.56 is: 871,774.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,987.24 : 1,224,261.72 = 630,895.56 : x
  2. Step 2: Convert to fraction form
    885,987.24/1,224,261.72 = 630,895.56/x
  3. Step 3: Cross multiply
    885,987.24x = 1,224,261.72 × 630,895.56
  4. Step 4: Simplify right side
    885,987.24x = 772,381,283,425.96
  5. Step 5: Solve for x
    x = 772,381,283,425.96/885,987.24
  6. Step 6: Final answer
    x = 871,774.73

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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.