Home / 1,247,167.10-1,871,301.45-607,115.90

Finding the Fourth Proportional to 1,247,167.10, 1,871,301.45 and 607,115.90

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Solution

The fourth proportional to 1,247,167.10, 1,871,301.45 and 607,115.90 is: 910,941.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,167.10 : 1,871,301.45 = 607,115.90 : x
  2. Step 2: Convert to fraction form
    1,247,167.10/1,871,301.45 = 607,115.90/x
  3. Step 3: Cross multiply
    1,247,167.10x = 1,871,301.45 × 607,115.90
  4. Step 4: Simplify right side
    1,247,167.10x = 1,136,096,863,988.06
  5. Step 5: Solve for x
    x = 1,136,096,863,988.06/1,247,167.10
  6. Step 6: Final answer
    x = 910,941.98

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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.