Home / 624,173.11-861,953.78-590,168.70

Finding the Fourth Proportional to 624,173.11, 861,953.78 and 590,168.70

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Solution

The fourth proportional to 624,173.11, 861,953.78 and 590,168.70 is: 814,995.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,173.11 : 861,953.78 = 590,168.70 : x
  2. Step 2: Convert to fraction form
    624,173.11/861,953.78 = 590,168.70/x
  3. Step 3: Cross multiply
    624,173.11x = 861,953.78 × 590,168.70
  4. Step 4: Simplify right side
    624,173.11x = 508,698,141,802.69
  5. Step 5: Solve for x
    x = 508,698,141,802.69/624,173.11
  6. Step 6: Final answer
    x = 814,995.29

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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.