Home / 736,195.56-1,103,549.34-286,636.20

Finding the Fourth Proportional to 736,195.56, 1,103,549.34 and 286,636.20

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Solution

The fourth proportional to 736,195.56, 1,103,549.34 and 286,636.20 is: 429,664.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,195.56 : 1,103,549.34 = 286,636.20 : x
  2. Step 2: Convert to fraction form
    736,195.56/1,103,549.34 = 286,636.20/x
  3. Step 3: Cross multiply
    736,195.56x = 1,103,549.34 × 286,636.20
  4. Step 4: Simplify right side
    736,195.56x = 316,317,189,330.11
  5. Step 5: Solve for x
    x = 316,317,189,330.11/736,195.56
  6. Step 6: Final answer
    x = 429,664.63

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Double scale
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Similar ratio
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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.