Home / 1,227,307.04-1,693,652.28-1,191,090.32

Finding the Fourth Proportional to 1,227,307.04, 1,693,652.28 and 1,191,090.32

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Solution

The fourth proportional to 1,227,307.04, 1,693,652.28 and 1,191,090.32 is: 1,643,674.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,307.04 : 1,693,652.28 = 1,191,090.32 : x
  2. Step 2: Convert to fraction form
    1,227,307.04/1,693,652.28 = 1,191,090.32/x
  3. Step 3: Cross multiply
    1,227,307.04x = 1,693,652.28 × 1,191,090.32
  4. Step 4: Simplify right side
    1,227,307.04x = 2,017,292,836,153.93
  5. Step 5: Solve for x
    x = 2,017,292,836,153.93/1,227,307.04
  6. Step 6: Final answer
    x = 1,643,674.13

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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.