Home / 1,108,953.90-1,530,365.54-612,253.80

Finding the Fourth Proportional to 1,108,953.90, 1,530,365.54 and 612,253.80

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Solution

The fourth proportional to 1,108,953.90, 1,530,365.54 and 612,253.80 is: 844,915.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,953.90 : 1,530,365.54 = 612,253.80 : x
  2. Step 2: Convert to fraction form
    1,108,953.90/1,530,365.54 = 612,253.80/x
  3. Step 3: Cross multiply
    1,108,953.90x = 1,530,365.54 × 612,253.80
  4. Step 4: Simplify right side
    1,108,953.90x = 936,972,114,192.78
  5. Step 5: Solve for x
    x = 936,972,114,192.78/1,108,953.90
  6. Step 6: Final answer
    x = 844,915.30

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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.