Home / 841,128.04-1,160,601.45-478,530.73

Finding the Fourth Proportional to 841,128.04, 1,160,601.45 and 478,530.73

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Solution

The fourth proportional to 841,128.04, 1,160,601.45 and 478,530.73 is: 660,284.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,128.04 : 1,160,601.45 = 478,530.73 : x
  2. Step 2: Convert to fraction form
    841,128.04/1,160,601.45 = 478,530.73/x
  3. Step 3: Cross multiply
    841,128.04x = 1,160,601.45 × 478,530.73
  4. Step 4: Simplify right side
    841,128.04x = 555,383,459,107.56
  5. Step 5: Solve for x
    x = 555,383,459,107.56/841,128.04
  6. Step 6: Final answer
    x = 660,284.09

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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.