Home / 1,122,080.04-1,548,476.12-612,782.40

Finding the Fourth Proportional to 1,122,080.04, 1,548,476.12 and 612,782.40

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Solution

The fourth proportional to 1,122,080.04, 1,548,476.12 and 612,782.40 is: 845,642.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,080.04 : 1,548,476.12 = 612,782.40 : x
  2. Step 2: Convert to fraction form
    1,122,080.04/1,548,476.12 = 612,782.40/x
  3. Step 3: Cross multiply
    1,122,080.04x = 1,548,476.12 × 612,782.40
  4. Step 4: Simplify right side
    1,122,080.04x = 948,878,913,156.29
  5. Step 5: Solve for x
    x = 948,878,913,156.29/1,122,080.04
  6. Step 6: Final answer
    x = 845,642.81

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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.