Home / 1,125,400.20-1,553,052.30-616,102.57

Finding the Fourth Proportional to 1,125,400.20, 1,553,052.30 and 616,102.57

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Solution

The fourth proportional to 1,125,400.20, 1,553,052.30 and 616,102.57 is: 850,221.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,400.20 : 1,553,052.30 = 616,102.57 : x
  2. Step 2: Convert to fraction form
    1,125,400.20/1,553,052.30 = 616,102.57/x
  3. Step 3: Cross multiply
    1,125,400.20x = 1,553,052.30 × 616,102.57
  4. Step 4: Simplify right side
    1,125,400.20x = 956,839,513,374.41
  5. Step 5: Solve for x
    x = 956,839,513,374.41/1,125,400.20
  6. Step 6: Final answer
    x = 850,221.56

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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.