Home / 736,734.32-1,105,525.12-310,236.48

Finding the Fourth Proportional to 736,734.32, 1,105,525.12 and 310,236.48

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Solution

The fourth proportional to 736,734.32, 1,105,525.12 and 310,236.48 is: 465,533.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,734.32 : 1,105,525.12 = 310,236.48 : x
  2. Step 2: Convert to fraction form
    736,734.32/1,105,525.12 = 310,236.48/x
  3. Step 3: Cross multiply
    736,734.32x = 1,105,525.12 × 310,236.48
  4. Step 4: Simplify right side
    736,734.32x = 342,974,221,780.38
  5. Step 5: Solve for x
    x = 342,974,221,780.38/736,734.32
  6. Step 6: Final answer
    x = 465,533.11

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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.