Home / 864,209.80-1,296,314.70-233,187.40

Finding the Fourth Proportional to 864,209.80, 1,296,314.70 and 233,187.40

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Solution

The fourth proportional to 864,209.80, 1,296,314.70 and 233,187.40 is: 349,781.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,209.80 : 1,296,314.70 = 233,187.40 : x
  2. Step 2: Convert to fraction form
    864,209.80/1,296,314.70 = 233,187.40/x
  3. Step 3: Cross multiply
    864,209.80x = 1,296,314.70 × 233,187.40
  4. Step 4: Simplify right side
    864,209.80x = 302,284,254,474.78
  5. Step 5: Solve for x
    x = 302,284,254,474.78/864,209.80
  6. Step 6: Final answer
    x = 349,781.10

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1.5x scale

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.