Home / 929,664.94-1,283,001.13-516,223.05

Finding the Fourth Proportional to 929,664.94, 1,283,001.13 and 516,223.05

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Solution

The fourth proportional to 929,664.94, 1,283,001.13 and 516,223.05 is: 712,423.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,664.94 : 1,283,001.13 = 516,223.05 : x
  2. Step 2: Convert to fraction form
    929,664.94/1,283,001.13 = 516,223.05/x
  3. Step 3: Cross multiply
    929,664.94x = 1,283,001.13 × 516,223.05
  4. Step 4: Simplify right side
    929,664.94x = 662,314,757,127.33
  5. Step 5: Solve for x
    x = 662,314,757,127.33/929,664.94
  6. Step 6: Final answer
    x = 712,423.08

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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.