Home / 778,880.70-1,168,321.05-530,048.70

Finding the Fourth Proportional to 778,880.70, 1,168,321.05 and 530,048.70

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Solution

The fourth proportional to 778,880.70, 1,168,321.05 and 530,048.70 is: 795,073.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,880.70 : 1,168,321.05 = 530,048.70 : x
  2. Step 2: Convert to fraction form
    778,880.70/1,168,321.05 = 530,048.70/x
  3. Step 3: Cross multiply
    778,880.70x = 1,168,321.05 × 530,048.70
  4. Step 4: Simplify right side
    778,880.70x = 619,267,053,735.14
  5. Step 5: Solve for x
    x = 619,267,053,735.14/778,880.70
  6. Step 6: Final answer
    x = 795,073.05

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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.