Home / 928,180.42-1,280,810.73-514,729.06

Finding the Fourth Proportional to 928,180.42, 1,280,810.73 and 514,729.06

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Solution

The fourth proportional to 928,180.42, 1,280,810.73 and 514,729.06 is: 710,282.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,180.42 : 1,280,810.73 = 514,729.06 : x
  2. Step 2: Convert to fraction form
    928,180.42/1,280,810.73 = 514,729.06/x
  3. Step 3: Cross multiply
    928,180.42x = 1,280,810.73 × 514,729.06
  4. Step 4: Simplify right side
    928,180.42x = 659,270,503,090.81
  5. Step 5: Solve for x
    x = 659,270,503,090.81/928,180.42
  6. Step 6: Final answer
    x = 710,282.71

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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.