Home / 676,871.40-1,014,615.90-396,244.20

Finding the Fourth Proportional to 676,871.40, 1,014,615.90 and 396,244.20

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Solution

The fourth proportional to 676,871.40, 1,014,615.90 and 396,244.20 is: 593,961.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,871.40 : 1,014,615.90 = 396,244.20 : x
  2. Step 2: Convert to fraction form
    676,871.40/1,014,615.90 = 396,244.20/x
  3. Step 3: Cross multiply
    676,871.40x = 1,014,615.90 × 396,244.20
  4. Step 4: Simplify right side
    676,871.40x = 402,035,665,602.78
  5. Step 5: Solve for x
    x = 402,035,665,602.78/676,871.40
  6. Step 6: Final answer
    x = 593,961.67

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Double scale
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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.