Home / 920,186.80-1,377,169.80-808,212.40

Finding the Fourth Proportional to 920,186.80, 1,377,169.80 and 808,212.40

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Solution

The fourth proportional to 920,186.80, 1,377,169.80 and 808,212.40 is: 1,209,586.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,186.80 : 1,377,169.80 = 808,212.40 : x
  2. Step 2: Convert to fraction form
    920,186.80/1,377,169.80 = 808,212.40/x
  3. Step 3: Cross multiply
    920,186.80x = 1,377,169.80 × 808,212.40
  4. Step 4: Simplify right side
    920,186.80x = 1,113,045,709,265.52
  5. Step 5: Solve for x
    x = 1,113,045,709,265.52/920,186.80
  6. Step 6: Final answer
    x = 1,209,586.69

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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.