Home / 1,564,368.12-2,158,393.62-885,290.04

Finding the Fourth Proportional to 1,564,368.12, 2,158,393.62 and 885,290.04

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Solution

The fourth proportional to 1,564,368.12, 2,158,393.62 and 885,290.04 is: 1,221,454.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564,368.12 : 2,158,393.62 = 885,290.04 : x
  2. Step 2: Convert to fraction form
    1,564,368.12/2,158,393.62 = 885,290.04/x
  3. Step 3: Cross multiply
    1,564,368.12x = 2,158,393.62 × 885,290.04
  4. Step 4: Simplify right side
    1,564,368.12x = 1,910,804,374,185.55
  5. Step 5: Solve for x
    x = 1,910,804,374,185.55/1,564,368.12
  6. Step 6: Final answer
    x = 1,221,454.43

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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.