Home / 1,154,786.40-1,593,540.80-638,510.40

Finding the Fourth Proportional to 1,154,786.40, 1,593,540.80 and 638,510.40

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Solution

The fourth proportional to 1,154,786.40, 1,593,540.80 and 638,510.40 is: 881,108.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,786.40 : 1,593,540.80 = 638,510.40 : x
  2. Step 2: Convert to fraction form
    1,154,786.40/1,593,540.80 = 638,510.40/x
  3. Step 3: Cross multiply
    1,154,786.40x = 1,593,540.80 × 638,510.40
  4. Step 4: Simplify right side
    1,154,786.40x = 1,017,492,373,624.32
  5. Step 5: Solve for x
    x = 1,017,492,373,624.32/1,154,786.40
  6. Step 6: Final answer
    x = 881,108.73

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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.