Home / 1,276,301.80-1,914,452.70-435,802.60

Finding the Fourth Proportional to 1,276,301.80, 1,914,452.70 and 435,802.60

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Solution

The fourth proportional to 1,276,301.80, 1,914,452.70 and 435,802.60 is: 653,703.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,301.80 : 1,914,452.70 = 435,802.60 : x
  2. Step 2: Convert to fraction form
    1,276,301.80/1,914,452.70 = 435,802.60/x
  3. Step 3: Cross multiply
    1,276,301.80x = 1,914,452.70 × 435,802.60
  4. Step 4: Simplify right side
    1,276,301.80x = 834,323,464,237.02
  5. Step 5: Solve for x
    x = 834,323,464,237.02/1,276,301.80
  6. Step 6: Final answer
    x = 653,703.90

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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.