Home / 743,637.76-1,114,829.76-322,596.16

Finding the Fourth Proportional to 743,637.76, 1,114,829.76 and 322,596.16

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Solution

The fourth proportional to 743,637.76, 1,114,829.76 and 322,596.16 is: 483,622.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,637.76 : 1,114,829.76 = 322,596.16 : x
  2. Step 2: Convert to fraction form
    743,637.76/1,114,829.76 = 322,596.16/x
  3. Step 3: Cross multiply
    743,637.76x = 1,114,829.76 × 322,596.16
  4. Step 4: Simplify right side
    743,637.76x = 359,639,799,629.72
  5. Step 5: Solve for x
    x = 359,639,799,629.72/743,637.76
  6. Step 6: Final answer
    x = 483,622.29

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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.