Home / 891,159.40-1,336,739.10-292,181.11

Finding the Fourth Proportional to 891,159.40, 1,336,739.10 and 292,181.11

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Solution

The fourth proportional to 891,159.40, 1,336,739.10 and 292,181.11 is: 438,271.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,159.40 : 1,336,739.10 = 292,181.11 : x
  2. Step 2: Convert to fraction form
    891,159.40/1,336,739.10 = 292,181.11/x
  3. Step 3: Cross multiply
    891,159.40x = 1,336,739.10 × 292,181.11
  4. Step 4: Simplify right side
    891,159.40x = 390,569,914,018.40
  5. Step 5: Solve for x
    x = 390,569,914,018.40/891,159.40
  6. Step 6: Final answer
    x = 438,271.67

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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.