Home / 957,984.96-1,321,988.94-528,283.20

Finding the Fourth Proportional to 957,984.96, 1,321,988.94 and 528,283.20

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Solution

The fourth proportional to 957,984.96, 1,321,988.94 and 528,283.20 is: 729,014.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,984.96 : 1,321,988.94 = 528,283.20 : x
  2. Step 2: Convert to fraction form
    957,984.96/1,321,988.94 = 528,283.20/x
  3. Step 3: Cross multiply
    957,984.96x = 1,321,988.94 × 528,283.20
  4. Step 4: Simplify right side
    957,984.96x = 698,384,547,587.81
  5. Step 5: Solve for x
    x = 698,384,547,587.81/957,984.96
  6. Step 6: Final answer
    x = 729,014.10

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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.