Home / 1,125,810.72-1,553,547.60-616,519.20

Finding the Fourth Proportional to 1,125,810.72, 1,553,547.60 and 616,519.20

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Solution

The fourth proportional to 1,125,810.72, 1,553,547.60 and 616,519.20 is: 850,757.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,810.72 : 1,553,547.60 = 616,519.20 : x
  2. Step 2: Convert to fraction form
    1,125,810.72/1,553,547.60 = 616,519.20/x
  3. Step 3: Cross multiply
    1,125,810.72x = 1,553,547.60 × 616,519.20
  4. Step 4: Simplify right side
    1,125,810.72x = 957,791,923,513.92
  5. Step 5: Solve for x
    x = 957,791,923,513.92/1,125,810.72
  6. Step 6: Final answer
    x = 850,757.51

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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.