Home / 977,180.57-1,348,564.54-547,599.09

Finding the Fourth Proportional to 977,180.57, 1,348,564.54 and 547,599.09

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Solution

The fourth proportional to 977,180.57, 1,348,564.54 and 547,599.09 is: 755,717.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,180.57 : 1,348,564.54 = 547,599.09 : x
  2. Step 2: Convert to fraction form
    977,180.57/1,348,564.54 = 547,599.09/x
  3. Step 3: Cross multiply
    977,180.57x = 1,348,564.54 × 547,599.09
  4. Step 4: Simplify right side
    977,180.57x = 738,472,714,910.27
  5. Step 5: Solve for x
    x = 738,472,714,910.27/977,180.57
  6. Step 6: Final answer
    x = 755,717.77

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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.