Home / 1,768,309.47-2,652,981.81-570,207.69

Finding the Fourth Proportional to 1,768,309.47, 2,652,981.81 and 570,207.69

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Solution

The fourth proportional to 1,768,309.47, 2,652,981.81 and 570,207.69 is: 855,478.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768,309.47 : 2,652,981.81 = 570,207.69 : x
  2. Step 2: Convert to fraction form
    1,768,309.47/2,652,981.81 = 570,207.69/x
  3. Step 3: Cross multiply
    1,768,309.47x = 2,652,981.81 × 570,207.69
  4. Step 4: Simplify right side
    1,768,309.47x = 1,512,750,629,492.12
  5. Step 5: Solve for x
    x = 1,512,750,629,492.12/1,768,309.47
  6. Step 6: Final answer
    x = 855,478.44

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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.