Home / 1,125,401.28-1,553,053.86-616,103.66

Finding the Fourth Proportional to 1,125,401.28, 1,553,053.86 and 616,103.66

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Solution

The fourth proportional to 1,125,401.28, 1,553,053.86 and 616,103.66 is: 850,223.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,401.28 : 1,553,053.86 = 616,103.66 : x
  2. Step 2: Convert to fraction form
    1,125,401.28/1,553,053.86 = 616,103.66/x
  3. Step 3: Cross multiply
    1,125,401.28x = 1,553,053.86 × 616,103.66
  4. Step 4: Simplify right side
    1,125,401.28x = 956,842,167,323.13
  5. Step 5: Solve for x
    x = 956,842,167,323.13/1,125,401.28
  6. Step 6: Final answer
    x = 850,223.10

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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.