Home / 920,220.80-1,269,576.05-532,824.79

Finding the Fourth Proportional to 920,220.80, 1,269,576.05 and 532,824.79

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Solution

The fourth proportional to 920,220.80, 1,269,576.05 and 532,824.79 is: 735,107.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,220.80 : 1,269,576.05 = 532,824.79 : x
  2. Step 2: Convert to fraction form
    920,220.80/1,269,576.05 = 532,824.79/x
  3. Step 3: Cross multiply
    920,220.80x = 1,269,576.05 × 532,824.79
  4. Step 4: Simplify right side
    920,220.80x = 676,461,594,161.12
  5. Step 5: Solve for x
    x = 676,461,594,161.12/920,220.80
  6. Step 6: Final answer
    x = 735,107.92

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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.