Home / 988,149.27-1,363,634.70-535,440.27

Finding the Fourth Proportional to 988,149.27, 1,363,634.70 and 535,440.27

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Solution

The fourth proportional to 988,149.27, 1,363,634.70 and 535,440.27 is: 738,901.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,149.27 : 1,363,634.70 = 535,440.27 : x
  2. Step 2: Convert to fraction form
    988,149.27/1,363,634.70 = 535,440.27/x
  3. Step 3: Cross multiply
    988,149.27x = 1,363,634.70 × 535,440.27
  4. Step 4: Simplify right side
    988,149.27x = 730,144,935,055.10
  5. Step 5: Solve for x
    x = 730,144,935,055.10/988,149.27
  6. Step 6: Final answer
    x = 738,901.45

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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.