Home / 1,130,656.61-1,560,516.32-647,221.77

Finding the Fourth Proportional to 1,130,656.61, 1,560,516.32 and 647,221.77

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Solution

The fourth proportional to 1,130,656.61, 1,560,516.32 and 647,221.77 is: 893,286.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,656.61 : 1,560,516.32 = 647,221.77 : x
  2. Step 2: Convert to fraction form
    1,130,656.61/1,560,516.32 = 647,221.77/x
  3. Step 3: Cross multiply
    1,130,656.61x = 1,560,516.32 × 647,221.77
  4. Step 4: Simplify right side
    1,130,656.61x = 1,010,000,131,063.20
  5. Step 5: Solve for x
    x = 1,010,000,131,063.20/1,130,656.61
  6. Step 6: Final answer
    x = 893,286.36

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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.