Home / 579,195.16-864,831.05-518,833.96

Finding the Fourth Proportional to 579,195.16, 864,831.05 and 518,833.96

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Solution

The fourth proportional to 579,195.16, 864,831.05 and 518,833.96 is: 774,702.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,195.16 : 864,831.05 = 518,833.96 : x
  2. Step 2: Convert to fraction form
    579,195.16/864,831.05 = 518,833.96/x
  3. Step 3: Cross multiply
    579,195.16x = 864,831.05 × 518,833.96
  4. Step 4: Simplify right side
    579,195.16x = 448,703,718,402.46
  5. Step 5: Solve for x
    x = 448,703,718,402.46/579,195.16
  6. Step 6: Final answer
    x = 774,702.12

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.