Home / 779,841.60-1,169,762.40-513,902.40

Finding the Fourth Proportional to 779,841.60, 1,169,762.40 and 513,902.40

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Solution

The fourth proportional to 779,841.60, 1,169,762.40 and 513,902.40 is: 770,853.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,841.60 : 1,169,762.40 = 513,902.40 : x
  2. Step 2: Convert to fraction form
    779,841.60/1,169,762.40 = 513,902.40/x
  3. Step 3: Cross multiply
    779,841.60x = 1,169,762.40 × 513,902.40
  4. Step 4: Simplify right side
    779,841.60x = 601,143,704,789.76
  5. Step 5: Solve for x
    x = 601,143,704,789.76/779,841.60
  6. Step 6: Final answer
    x = 770,853.60

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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.