Home / 1,123,656.33-1,685,533.71-325,018.61

Finding the Fourth Proportional to 1,123,656.33, 1,685,533.71 and 325,018.61

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Solution

The fourth proportional to 1,123,656.33, 1,685,533.71 and 325,018.61 is: 487,542.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,656.33 : 1,685,533.71 = 325,018.61 : x
  2. Step 2: Convert to fraction form
    1,123,656.33/1,685,533.71 = 325,018.61/x
  3. Step 3: Cross multiply
    1,123,656.33x = 1,685,533.71 × 325,018.61
  4. Step 4: Simplify right side
    1,123,656.33x = 547,829,820,816.02
  5. Step 5: Solve for x
    x = 547,829,820,816.02/1,123,656.33
  6. Step 6: Final answer
    x = 487,542.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.