Home / 833,885.13-1,150,762.47-451,911.90

Finding the Fourth Proportional to 833,885.13, 1,150,762.47 and 451,911.90

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Solution

The fourth proportional to 833,885.13, 1,150,762.47 and 451,911.90 is: 623,638.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,885.13 : 1,150,762.47 = 451,911.90 : x
  2. Step 2: Convert to fraction form
    833,885.13/1,150,762.47 = 451,911.90/x
  3. Step 3: Cross multiply
    833,885.13x = 1,150,762.47 × 451,911.90
  4. Step 4: Simplify right side
    833,885.13x = 520,043,254,266.39
  5. Step 5: Solve for x
    x = 520,043,254,266.39/833,885.13
  6. Step 6: Final answer
    x = 623,638.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.