Home / 734,095.60-1,101,143.40-260,828.80

Finding the Fourth Proportional to 734,095.60, 1,101,143.40 and 260,828.80

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Solution

The fourth proportional to 734,095.60, 1,101,143.40 and 260,828.80 is: 391,243.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,095.60 : 1,101,143.40 = 260,828.80 : x
  2. Step 2: Convert to fraction form
    734,095.60/1,101,143.40 = 260,828.80/x
  3. Step 3: Cross multiply
    734,095.60x = 1,101,143.40 × 260,828.80
  4. Step 4: Simplify right side
    734,095.60x = 287,209,911,649.92
  5. Step 5: Solve for x
    x = 287,209,911,649.92/734,095.60
  6. Step 6: Final answer
    x = 391,243.20

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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.