Home / 579,195.66-864,831.80-518,834.46

Finding the Fourth Proportional to 579,195.66, 864,831.80 and 518,834.46

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Solution

The fourth proportional to 579,195.66, 864,831.80 and 518,834.46 is: 774,702.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,195.66 : 864,831.80 = 518,834.46 : x
  2. Step 2: Convert to fraction form
    579,195.66/864,831.80 = 518,834.46/x
  3. Step 3: Cross multiply
    579,195.66x = 864,831.80 × 518,834.46
  4. Step 4: Simplify right side
    579,195.66x = 448,704,537,349.66
  5. Step 5: Solve for x
    x = 448,704,537,349.66/579,195.66
  6. Step 6: Final answer
    x = 774,702.87

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1.5x scale

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.