Home / 899,300.44-1,241,284.78-517,450.20

Finding the Fourth Proportional to 899,300.44, 1,241,284.78 and 517,450.20

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Solution

The fourth proportional to 899,300.44, 1,241,284.78 and 517,450.20 is: 714,225.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,300.44 : 1,241,284.78 = 517,450.20 : x
  2. Step 2: Convert to fraction form
    899,300.44/1,241,284.78 = 517,450.20/x
  3. Step 3: Cross multiply
    899,300.44x = 1,241,284.78 × 517,450.20
  4. Step 4: Simplify right side
    899,300.44x = 642,303,057,667.96
  5. Step 5: Solve for x
    x = 642,303,057,667.96/899,300.44
  6. Step 6: Final answer
    x = 714,225.22

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.