Home / 743,062.88-1,025,740.56-501,672.32

Finding the Fourth Proportional to 743,062.88, 1,025,740.56 and 501,672.32

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Solution

The fourth proportional to 743,062.88, 1,025,740.56 and 501,672.32 is: 692,519.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,062.88 : 1,025,740.56 = 501,672.32 : x
  2. Step 2: Convert to fraction form
    743,062.88/1,025,740.56 = 501,672.32/x
  3. Step 3: Cross multiply
    743,062.88x = 1,025,740.56 × 501,672.32
  4. Step 4: Simplify right side
    743,062.88x = 514,585,646,453.30
  5. Step 5: Solve for x
    x = 514,585,646,453.30/743,062.88
  6. Step 6: Final answer
    x = 692,519.65

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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.