Home / 778,841.70-1,168,590.60-424,110.30

Finding the Fourth Proportional to 778,841.70, 1,168,590.60 and 424,110.30

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Solution

The fourth proportional to 778,841.70, 1,168,590.60 and 424,110.30 is: 636,344.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,841.70 : 1,168,590.60 = 424,110.30 : x
  2. Step 2: Convert to fraction form
    778,841.70/1,168,590.60 = 424,110.30/x
  3. Step 3: Cross multiply
    778,841.70x = 1,168,590.60 × 424,110.30
  4. Step 4: Simplify right side
    778,841.70x = 495,611,309,943.18
  5. Step 5: Solve for x
    x = 495,611,309,943.18/778,841.70
  6. Step 6: Final answer
    x = 636,344.09

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Double scale
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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.