Home / 1,166,897.40-1,750,346.10-280,433.40

Finding the Fourth Proportional to 1,166,897.40, 1,750,346.10 and 280,433.40

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Solution

The fourth proportional to 1,166,897.40, 1,750,346.10 and 280,433.40 is: 420,650.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,897.40 : 1,750,346.10 = 280,433.40 : x
  2. Step 2: Convert to fraction form
    1,166,897.40/1,750,346.10 = 280,433.40/x
  3. Step 3: Cross multiply
    1,166,897.40x = 1,750,346.10 × 280,433.40
  4. Step 4: Simplify right side
    1,166,897.40x = 490,855,507,999.74
  5. Step 5: Solve for x
    x = 490,855,507,999.74/1,166,897.40
  6. Step 6: Final answer
    x = 420,650.10

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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.