Home / 849,685.56-1,171,968.78-559,204.56

Finding the Fourth Proportional to 849,685.56, 1,171,968.78 and 559,204.56

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Solution

The fourth proportional to 849,685.56, 1,171,968.78 and 559,204.56 is: 771,309.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,685.56 : 1,171,968.78 = 559,204.56 : x
  2. Step 2: Convert to fraction form
    849,685.56/1,171,968.78 = 559,204.56/x
  3. Step 3: Cross multiply
    849,685.56x = 1,171,968.78 × 559,204.56
  4. Step 4: Simplify right side
    849,685.56x = 655,370,285,953.64
  5. Step 5: Solve for x
    x = 655,370,285,953.64/849,685.56
  6. Step 6: Final answer
    x = 771,309.20

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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.