Home / 1,070,630.60-1,605,945.90-360,422.60

Finding the Fourth Proportional to 1,070,630.60, 1,605,945.90 and 360,422.60

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Solution

The fourth proportional to 1,070,630.60, 1,605,945.90 and 360,422.60 is: 540,633.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,630.60 : 1,605,945.90 = 360,422.60 : x
  2. Step 2: Convert to fraction form
    1,070,630.60/1,605,945.90 = 360,422.60/x
  3. Step 3: Cross multiply
    1,070,630.60x = 1,605,945.90 × 360,422.60
  4. Step 4: Simplify right side
    1,070,630.60x = 578,819,196,737.34
  5. Step 5: Solve for x
    x = 578,819,196,737.34/1,070,630.60
  6. Step 6: Final answer
    x = 540,633.90

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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.