Home / 1,657,872.35-2,486,808.38-459,794.64

Finding the Fourth Proportional to 1,657,872.35, 2,486,808.38 and 459,794.64

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Solution

The fourth proportional to 1,657,872.35, 2,486,808.38 and 459,794.64 is: 689,691.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,872.35 : 2,486,808.38 = 459,794.64 : x
  2. Step 2: Convert to fraction form
    1,657,872.35/2,486,808.38 = 459,794.64/x
  3. Step 3: Cross multiply
    1,657,872.35x = 2,486,808.38 × 459,794.64
  4. Step 4: Simplify right side
    1,657,872.35x = 1,143,421,163,831.08
  5. Step 5: Solve for x
    x = 1,143,421,163,831.08/1,657,872.35
  6. Step 6: Final answer
    x = 689,691.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.