Home / 784,117.20-1,174,426.20-605,220.60

Finding the Fourth Proportional to 784,117.20, 1,174,426.20 and 605,220.60

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Solution

The fourth proportional to 784,117.20, 1,174,426.20 and 605,220.60 is: 906,480.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,117.20 : 1,174,426.20 = 605,220.60 : x
  2. Step 2: Convert to fraction form
    784,117.20/1,174,426.20 = 605,220.60/x
  3. Step 3: Cross multiply
    784,117.20x = 1,174,426.20 × 605,220.60
  4. Step 4: Simplify right side
    784,117.20x = 710,786,929,419.72
  5. Step 5: Solve for x
    x = 710,786,929,419.72/784,117.20
  6. Step 6: Final answer
    x = 906,480.47

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Double scale
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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.