Home / 816,415.20-1,224,622.80-606,463.20

Finding the Fourth Proportional to 816,415.20, 1,224,622.80 and 606,463.20

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Solution

The fourth proportional to 816,415.20, 1,224,622.80 and 606,463.20 is: 909,694.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,415.20 : 1,224,622.80 = 606,463.20 : x
  2. Step 2: Convert to fraction form
    816,415.20/1,224,622.80 = 606,463.20/x
  3. Step 3: Cross multiply
    816,415.20x = 1,224,622.80 × 606,463.20
  4. Step 4: Simplify right side
    816,415.20x = 742,688,662,080.96
  5. Step 5: Solve for x
    x = 742,688,662,080.96/816,415.20
  6. Step 6: Final answer
    x = 909,694.80

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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.