Home / 1,227,305.04-1,693,649.52-1,191,088.32

Finding the Fourth Proportional to 1,227,305.04, 1,693,649.52 and 1,191,088.32

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Solution

The fourth proportional to 1,227,305.04, 1,693,649.52 and 1,191,088.32 is: 1,643,671.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,305.04 : 1,693,649.52 = 1,191,088.32 : x
  2. Step 2: Convert to fraction form
    1,227,305.04/1,693,649.52 = 1,191,088.32/x
  3. Step 3: Cross multiply
    1,227,305.04x = 1,693,649.52 × 1,191,088.32
  4. Step 4: Simplify right side
    1,227,305.04x = 2,017,286,161,445.61
  5. Step 5: Solve for x
    x = 2,017,286,161,445.61/1,227,305.04
  6. Step 6: Final answer
    x = 1,643,671.37

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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.