Home / 920,192.80-1,377,178.80-808,218.40

Finding the Fourth Proportional to 920,192.80, 1,377,178.80 and 808,218.40

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Solution

The fourth proportional to 920,192.80, 1,377,178.80 and 808,218.40 is: 1,209,595.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,192.80 : 1,377,178.80 = 808,218.40 : x
  2. Step 2: Convert to fraction form
    920,192.80/1,377,178.80 = 808,218.40/x
  3. Step 3: Cross multiply
    920,192.80x = 1,377,178.80 × 808,218.40
  4. Step 4: Simplify right side
    920,192.80x = 1,113,061,246,249.92
  5. Step 5: Solve for x
    x = 1,113,061,246,249.92/920,192.80
  6. Step 6: Final answer
    x = 1,209,595.69

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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.