Home / 742,753.61-1,114,544.37-401,190.14

Finding the Fourth Proportional to 742,753.61, 1,114,544.37 and 401,190.14

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Solution

The fourth proportional to 742,753.61, 1,114,544.37 and 401,190.14 is: 602,008.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,753.61 : 1,114,544.37 = 401,190.14 : x
  2. Step 2: Convert to fraction form
    742,753.61/1,114,544.37 = 401,190.14/x
  3. Step 3: Cross multiply
    742,753.61x = 1,114,544.37 × 401,190.14
  4. Step 4: Simplify right side
    742,753.61x = 447,144,206,263.79
  5. Step 5: Solve for x
    x = 447,144,206,263.79/742,753.61
  6. Step 6: Final answer
    x = 602,008.80

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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.