Home / 867,548.37-1,196,989.74-499,935.54

Finding the Fourth Proportional to 867,548.37, 1,196,989.74 and 499,935.54

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Solution

The fourth proportional to 867,548.37, 1,196,989.74 and 499,935.54 is: 689,780.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,548.37 : 1,196,989.74 = 499,935.54 : x
  2. Step 2: Convert to fraction form
    867,548.37/1,196,989.74 = 499,935.54/x
  3. Step 3: Cross multiply
    867,548.37x = 1,196,989.74 × 499,935.54
  4. Step 4: Simplify right side
    867,548.37x = 598,417,712,041.36
  5. Step 5: Solve for x
    x = 598,417,712,041.36/867,548.37
  6. Step 6: Final answer
    x = 689,780.23

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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.