Home / 1,135,712.20-1,702,953.90-470,931.40

Finding the Fourth Proportional to 1,135,712.20, 1,702,953.90 and 470,931.40

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Solution

The fourth proportional to 1,135,712.20, 1,702,953.90 and 470,931.40 is: 706,142.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,712.20 : 1,702,953.90 = 470,931.40 : x
  2. Step 2: Convert to fraction form
    1,135,712.20/1,702,953.90 = 470,931.40/x
  3. Step 3: Cross multiply
    1,135,712.20x = 1,702,953.90 × 470,931.40
  4. Step 4: Simplify right side
    1,135,712.20x = 801,974,464,262.46
  5. Step 5: Solve for x
    x = 801,974,464,262.46/1,135,712.20
  6. Step 6: Final answer
    x = 706,142.33

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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.