Home / 1,117,905-1,542,712.56-608,611.04

Finding the Fourth Proportional to 1,117,905, 1,542,712.56 and 608,611.04

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Solution

The fourth proportional to 1,117,905, 1,542,712.56 and 608,611.04 is: 839,885.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,905 : 1,542,712.56 = 608,611.04 : x
  2. Step 2: Convert to fraction form
    1,117,905/1,542,712.56 = 608,611.04/x
  3. Step 3: Cross multiply
    1,117,905x = 1,542,712.56 × 608,611.04
  4. Step 4: Simplify right side
    1,117,905x = 938,911,895,562.66
  5. Step 5: Solve for x
    x = 938,911,895,562.66/1,117,905
  6. Step 6: Final answer
    x = 839,885.23

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1.5x scale

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.