Home / 702,885.31-1,054,109.54-253,547.80

Finding the Fourth Proportional to 702,885.31, 1,054,109.54 and 253,547.80

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Solution

The fourth proportional to 702,885.31, 1,054,109.54 and 253,547.80 is: 380,242.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,885.31 : 1,054,109.54 = 253,547.80 : x
  2. Step 2: Convert to fraction form
    702,885.31/1,054,109.54 = 253,547.80/x
  3. Step 3: Cross multiply
    702,885.31x = 1,054,109.54 × 253,547.80
  4. Step 4: Simplify right side
    702,885.31x = 267,267,153,558.27
  5. Step 5: Solve for x
    x = 267,267,153,558.27/702,885.31
  6. Step 6: Final answer
    x = 380,242.91

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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.