Home / 928,126.16-1,280,816.52-525,718.16

Finding the Fourth Proportional to 928,126.16, 1,280,816.52 and 525,718.16

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Solution

The fourth proportional to 928,126.16, 1,280,816.52 and 525,718.16 is: 725,492.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,126.16 : 1,280,816.52 = 525,718.16 : x
  2. Step 2: Convert to fraction form
    928,126.16/1,280,816.52 = 525,718.16/x
  3. Step 3: Cross multiply
    928,126.16x = 1,280,816.52 × 525,718.16
  4. Step 4: Simplify right side
    928,126.16x = 673,348,504,192.00
  5. Step 5: Solve for x
    x = 673,348,504,192.00/928,126.16
  6. Step 6: Final answer
    x = 725,492.43

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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.