Home / 920,192.32-1,269,834.28-517,706.56

Finding the Fourth Proportional to 920,192.32, 1,269,834.28 and 517,706.56

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Solution

The fourth proportional to 920,192.32, 1,269,834.28 and 517,706.56 is: 714,417.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,192.32 : 1,269,834.28 = 517,706.56 : x
  2. Step 2: Convert to fraction form
    920,192.32/1,269,834.28 = 517,706.56/x
  3. Step 3: Cross multiply
    920,192.32x = 1,269,834.28 × 517,706.56
  4. Step 4: Simplify right side
    920,192.32x = 657,401,536,868.88
  5. Step 5: Solve for x
    x = 657,401,536,868.88/920,192.32
  6. Step 6: Final answer
    x = 714,417.54

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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.