Home / 904,106.72-1,247,725.60-501,698.72

Finding the Fourth Proportional to 904,106.72, 1,247,725.60 and 501,698.72

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Solution

The fourth proportional to 904,106.72, 1,247,725.60 and 501,698.72 is: 692,376.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,106.72 : 1,247,725.60 = 501,698.72 : x
  2. Step 2: Convert to fraction form
    904,106.72/1,247,725.60 = 501,698.72/x
  3. Step 3: Cross multiply
    904,106.72x = 1,247,725.60 × 501,698.72
  4. Step 4: Simplify right side
    904,106.72x = 625,982,336,431.23
  5. Step 5: Solve for x
    x = 625,982,336,431.23/904,106.72
  6. Step 6: Final answer
    x = 692,376.60

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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.