Home / 1,138,482.72-1,571,062.32-655,203.06

Finding the Fourth Proportional to 1,138,482.72, 1,571,062.32 and 655,203.06

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Solution

The fourth proportional to 1,138,482.72, 1,571,062.32 and 655,203.06 is: 904,155.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,482.72 : 1,571,062.32 = 655,203.06 : x
  2. Step 2: Convert to fraction form
    1,138,482.72/1,571,062.32 = 655,203.06/x
  3. Step 3: Cross multiply
    1,138,482.72x = 1,571,062.32 × 655,203.06
  4. Step 4: Simplify right side
    1,138,482.72x = 1,029,364,839,514.70
  5. Step 5: Solve for x
    x = 1,029,364,839,514.70/1,138,482.72
  6. Step 6: Final answer
    x = 904,155.00

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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.