Home / 1,138,114.80-1,707,172.20-571,244.40

Finding the Fourth Proportional to 1,138,114.80, 1,707,172.20 and 571,244.40

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Solution

The fourth proportional to 1,138,114.80, 1,707,172.20 and 571,244.40 is: 856,866.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,114.80 : 1,707,172.20 = 571,244.40 : x
  2. Step 2: Convert to fraction form
    1,138,114.80/1,707,172.20 = 571,244.40/x
  3. Step 3: Cross multiply
    1,138,114.80x = 1,707,172.20 × 571,244.40
  4. Step 4: Simplify right side
    1,138,114.80x = 975,212,559,085.68
  5. Step 5: Solve for x
    x = 975,212,559,085.68/1,138,114.80
  6. Step 6: Final answer
    x = 856,866.60

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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.