Home / 887,594.76-1,224,880.94-479,695.28

Finding the Fourth Proportional to 887,594.76, 1,224,880.94 and 479,695.28

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Solution

The fourth proportional to 887,594.76, 1,224,880.94 and 479,695.28 is: 661,979.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,594.76 : 1,224,880.94 = 479,695.28 : x
  2. Step 2: Convert to fraction form
    887,594.76/1,224,880.94 = 479,695.28/x
  3. Step 3: Cross multiply
    887,594.76x = 1,224,880.94 × 479,695.28
  4. Step 4: Simplify right side
    887,594.76x = 587,569,605,479.96
  5. Step 5: Solve for x
    x = 587,569,605,479.96/887,594.76
  6. Step 6: Final answer
    x = 661,979.58

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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.