Home / 1,185,655.23-1,637,147.40-1,094,978.01

Finding the Fourth Proportional to 1,185,655.23, 1,637,147.40 and 1,094,978.01

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Solution

The fourth proportional to 1,185,655.23, 1,637,147.40 and 1,094,978.01 is: 1,511,940.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,655.23 : 1,637,147.40 = 1,094,978.01 : x
  2. Step 2: Convert to fraction form
    1,185,655.23/1,637,147.40 = 1,094,978.01/x
  3. Step 3: Cross multiply
    1,185,655.23x = 1,637,147.40 × 1,094,978.01
  4. Step 4: Simplify right side
    1,185,655.23x = 1,792,640,402,128.67
  5. Step 5: Solve for x
    x = 1,792,640,402,128.67/1,185,655.23
  6. Step 6: Final answer
    x = 1,511,940.70

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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.