Home / 740,300.17-1,110,450.25-266,985.53

Finding the Fourth Proportional to 740,300.17, 1,110,450.25 and 266,985.53

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Solution

The fourth proportional to 740,300.17, 1,110,450.25 and 266,985.53 is: 400,478.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,300.17 : 1,110,450.25 = 266,985.53 : x
  2. Step 2: Convert to fraction form
    740,300.17/1,110,450.25 = 266,985.53/x
  3. Step 3: Cross multiply
    740,300.17x = 1,110,450.25 × 266,985.53
  4. Step 4: Simplify right side
    740,300.17x = 296,474,148,534.88
  5. Step 5: Solve for x
    x = 296,474,148,534.88/740,300.17
  6. Step 6: Final answer
    x = 400,478.29

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Double scale
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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.