Home / 1,154,461.41-1,593,018.77-638,145.57

Finding the Fourth Proportional to 1,154,461.41, 1,593,018.77 and 638,145.57

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Solution

The fourth proportional to 1,154,461.41, 1,593,018.77 and 638,145.57 is: 880,564.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,461.41 : 1,593,018.77 = 638,145.57 : x
  2. Step 2: Convert to fraction form
    1,154,461.41/1,593,018.77 = 638,145.57/x
  3. Step 3: Cross multiply
    1,154,461.41x = 1,593,018.77 × 638,145.57
  4. Step 4: Simplify right side
    1,154,461.41x = 1,016,577,865,728.70
  5. Step 5: Solve for x
    x = 1,016,577,865,728.70/1,154,461.41
  6. Step 6: Final answer
    x = 880,564.61

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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.