Home / 999,573.27-1,377,976.29-712,595.13

Finding the Fourth Proportional to 999,573.27, 1,377,976.29 and 712,595.13

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Solution

The fourth proportional to 999,573.27, 1,377,976.29 and 712,595.13 is: 982,358.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,573.27 : 1,377,976.29 = 712,595.13 : x
  2. Step 2: Convert to fraction form
    999,573.27/1,377,976.29 = 712,595.13/x
  3. Step 3: Cross multiply
    999,573.27x = 1,377,976.29 × 712,595.13
  4. Step 4: Simplify right side
    999,573.27x = 981,939,193,509.47
  5. Step 5: Solve for x
    x = 981,939,193,509.47/999,573.27
  6. Step 6: Final answer
    x = 982,358.40

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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.