Home / 1,154,424.71-1,593,116.13-638,170.25

Finding the Fourth Proportional to 1,154,424.71, 1,593,116.13 and 638,170.25

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Solution

The fourth proportional to 1,154,424.71, 1,593,116.13 and 638,170.25 is: 880,680.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,424.71 : 1,593,116.13 = 638,170.25 : x
  2. Step 2: Convert to fraction form
    1,154,424.71/1,593,116.13 = 638,170.25/x
  3. Step 3: Cross multiply
    1,154,424.71x = 1,593,116.13 × 638,170.25
  4. Step 4: Simplify right side
    1,154,424.71x = 1,016,679,318,961.13
  5. Step 5: Solve for x
    x = 1,016,679,318,961.13/1,154,424.71
  6. Step 6: Final answer
    x = 880,680.49

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Double scale
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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.