Home / 928,881.90-1,393,322.85-787,164.30

Finding the Fourth Proportional to 928,881.90, 1,393,322.85 and 787,164.30

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Solution

The fourth proportional to 928,881.90, 1,393,322.85 and 787,164.30 is: 1,180,746.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,881.90 : 1,393,322.85 = 787,164.30 : x
  2. Step 2: Convert to fraction form
    928,881.90/1,393,322.85 = 787,164.30/x
  3. Step 3: Cross multiply
    928,881.90x = 1,393,322.85 × 787,164.30
  4. Step 4: Simplify right side
    928,881.90x = 1,096,774,005,894.26
  5. Step 5: Solve for x
    x = 1,096,774,005,894.26/928,881.90
  6. Step 6: Final answer
    x = 1,180,746.45

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Double scale
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Similar ratio
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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.