Home / 838,856.40-1,258,459.32-277,934.80

Finding the Fourth Proportional to 838,856.40, 1,258,459.32 and 277,934.80

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Solution

The fourth proportional to 838,856.40, 1,258,459.32 and 277,934.80 is: 416,960.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,856.40 : 1,258,459.32 = 277,934.80 : x
  2. Step 2: Convert to fraction form
    838,856.40/1,258,459.32 = 277,934.80/x
  3. Step 3: Cross multiply
    838,856.40x = 1,258,459.32 × 277,934.80
  4. Step 4: Simplify right side
    838,856.40x = 349,769,639,412.34
  5. Step 5: Solve for x
    x = 349,769,639,412.34/838,856.40
  6. Step 6: Final answer
    x = 416,960.09

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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.