Home / 676,859.40-1,014,597.90-396,232.20

Finding the Fourth Proportional to 676,859.40, 1,014,597.90 and 396,232.20

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Solution

The fourth proportional to 676,859.40, 1,014,597.90 and 396,232.20 is: 593,943.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,859.40 : 1,014,597.90 = 396,232.20 : x
  2. Step 2: Convert to fraction form
    676,859.40/1,014,597.90 = 396,232.20/x
  3. Step 3: Cross multiply
    676,859.40x = 1,014,597.90 × 396,232.20
  4. Step 4: Simplify right side
    676,859.40x = 402,016,358,032.38
  5. Step 5: Solve for x
    x = 402,016,358,032.38/676,859.40
  6. Step 6: Final answer
    x = 593,943.67

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Half scale
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Double scale
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Similar ratio
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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.