Home / 646,977.63-892,829.16-375,203.16

Finding the Fourth Proportional to 646,977.63, 892,829.16 and 375,203.16

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Solution

The fourth proportional to 646,977.63, 892,829.16 and 375,203.16 is: 517,780.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,977.63 : 892,829.16 = 375,203.16 : x
  2. Step 2: Convert to fraction form
    646,977.63/892,829.16 = 375,203.16/x
  3. Step 3: Cross multiply
    646,977.63x = 892,829.16 × 375,203.16
  4. Step 4: Simplify right side
    646,977.63x = 334,992,323,627.97
  5. Step 5: Solve for x
    x = 334,992,323,627.97/646,977.63
  6. Step 6: Final answer
    x = 517,780.38

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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.