Home / 876,459.32-1,314,885.90-277,456.40

Finding the Fourth Proportional to 876,459.32, 1,314,885.90 and 277,456.40

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Solution

The fourth proportional to 876,459.32, 1,314,885.90 and 277,456.40 is: 416,246.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,459.32 : 1,314,885.90 = 277,456.40 : x
  2. Step 2: Convert to fraction form
    876,459.32/1,314,885.90 = 277,456.40/x
  3. Step 3: Cross multiply
    876,459.32x = 1,314,885.90 × 277,456.40
  4. Step 4: Simplify right side
    876,459.32x = 364,823,508,224.76
  5. Step 5: Solve for x
    x = 364,823,508,224.76/876,459.32
  6. Step 6: Final answer
    x = 416,246.94

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1.5x scale

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.