Home / 889,901.13-1,227,724.70-657,885.14

Finding the Fourth Proportional to 889,901.13, 1,227,724.70 and 657,885.14

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Solution

The fourth proportional to 889,901.13, 1,227,724.70 and 657,885.14 is: 907,630.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,901.13 : 1,227,724.70 = 657,885.14 : x
  2. Step 2: Convert to fraction form
    889,901.13/1,227,724.70 = 657,885.14/x
  3. Step 3: Cross multiply
    889,901.13x = 1,227,724.70 × 657,885.14
  4. Step 4: Simplify right side
    889,901.13x = 807,701,831,316.88
  5. Step 5: Solve for x
    x = 807,701,831,316.88/889,901.13
  6. Step 6: Final answer
    x = 907,630.97

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Double scale
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1.5x scale

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.