Home / 981,095.15-1,354,023.54-545,555.93

Finding the Fourth Proportional to 981,095.15, 1,354,023.54 and 545,555.93

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Solution

The fourth proportional to 981,095.15, 1,354,023.54 and 545,555.93 is: 752,929.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,095.15 : 1,354,023.54 = 545,555.93 : x
  2. Step 2: Convert to fraction form
    981,095.15/1,354,023.54 = 545,555.93/x
  3. Step 3: Cross multiply
    981,095.15x = 1,354,023.54 × 545,555.93
  4. Step 4: Simplify right side
    981,095.15x = 738,695,564,836.48
  5. Step 5: Solve for x
    x = 738,695,564,836.48/981,095.15
  6. Step 6: Final answer
    x = 752,929.58

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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.