Home / 1,119,793.60-1,679,690.40-278,345.35

Finding the Fourth Proportional to 1,119,793.60, 1,679,690.40 and 278,345.35

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Solution

The fourth proportional to 1,119,793.60, 1,679,690.40 and 278,345.35 is: 417,518.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,793.60 : 1,679,690.40 = 278,345.35 : x
  2. Step 2: Convert to fraction form
    1,119,793.60/1,679,690.40 = 278,345.35/x
  3. Step 3: Cross multiply
    1,119,793.60x = 1,679,690.40 × 278,345.35
  4. Step 4: Simplify right side
    1,119,793.60x = 467,534,012,279.64
  5. Step 5: Solve for x
    x = 467,534,012,279.64/1,119,793.60
  6. Step 6: Final answer
    x = 417,518.03

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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.