Home / 887,054.40-1,224,135.56-479,156.24

Finding the Fourth Proportional to 887,054.40, 1,224,135.56 and 479,156.24

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Solution

The fourth proportional to 887,054.40, 1,224,135.56 and 479,156.24 is: 661,235.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,054.40 : 1,224,135.56 = 479,156.24 : x
  2. Step 2: Convert to fraction form
    887,054.40/1,224,135.56 = 479,156.24/x
  3. Step 3: Cross multiply
    887,054.40x = 1,224,135.56 × 479,156.24
  4. Step 4: Simplify right side
    887,054.40x = 586,552,183,663.44
  5. Step 5: Solve for x
    x = 586,552,183,663.44/887,054.40
  6. Step 6: Final answer
    x = 661,235.87

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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.