Home / 868,189.50-1,302,333.47-269,235.81

Finding the Fourth Proportional to 868,189.50, 1,302,333.47 and 269,235.81

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Solution

The fourth proportional to 868,189.50, 1,302,333.47 and 269,235.81 is: 403,868.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,189.50 : 1,302,333.47 = 269,235.81 : x
  2. Step 2: Convert to fraction form
    868,189.50/1,302,333.47 = 269,235.81/x
  3. Step 3: Cross multiply
    868,189.50x = 1,302,333.47 × 269,235.81
  4. Step 4: Simplify right side
    868,189.50x = 350,634,810,223.13
  5. Step 5: Solve for x
    x = 350,634,810,223.13/868,189.50
  6. Step 6: Final answer
    x = 403,868.98

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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.