Home / 859,760.73-1,186,600.59-618,840.81

Finding the Fourth Proportional to 859,760.73, 1,186,600.59 and 618,840.81

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Solution

The fourth proportional to 859,760.73, 1,186,600.59 and 618,840.81 is: 854,094.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,760.73 : 1,186,600.59 = 618,840.81 : x
  2. Step 2: Convert to fraction form
    859,760.73/1,186,600.59 = 618,840.81/x
  3. Step 3: Cross multiply
    859,760.73x = 1,186,600.59 × 618,840.81
  4. Step 4: Simplify right side
    859,760.73x = 734,316,870,262.08
  5. Step 5: Solve for x
    x = 734,316,870,262.08/859,760.73
  6. Step 6: Final answer
    x = 854,094.45

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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.