Home / 1,341,486.37-2,012,291.85-430,706

Finding the Fourth Proportional to 1,341,486.37, 2,012,291.85 and 430,706

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Solution

The fourth proportional to 1,341,486.37, 2,012,291.85 and 430,706 is: 646,079.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,486.37 : 2,012,291.85 = 430,706 : x
  2. Step 2: Convert to fraction form
    1,341,486.37/2,012,291.85 = 430,706/x
  3. Step 3: Cross multiply
    1,341,486.37x = 2,012,291.85 × 430,706
  4. Step 4: Simplify right side
    1,341,486.37x = 866,706,173,546.10
  5. Step 5: Solve for x
    x = 866,706,173,546.10/1,341,486.37
  6. Step 6: Final answer
    x = 646,079.00

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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.