Home / 930,695.40-1,396,043.10-576,401.40

Finding the Fourth Proportional to 930,695.40, 1,396,043.10 and 576,401.40

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Solution

The fourth proportional to 930,695.40, 1,396,043.10 and 576,401.40 is: 864,602.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,695.40 : 1,396,043.10 = 576,401.40 : x
  2. Step 2: Convert to fraction form
    930,695.40/1,396,043.10 = 576,401.40/x
  3. Step 3: Cross multiply
    930,695.40x = 1,396,043.10 × 576,401.40
  4. Step 4: Simplify right side
    930,695.40x = 804,681,197,300.34
  5. Step 5: Solve for x
    x = 804,681,197,300.34/930,695.40
  6. Step 6: Final answer
    x = 864,602.10

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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.